<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:cf94a9a6-c0e9-4948-87f0-2c165e28a5a9,g:1d4ff139-8abd-4fb5-bbfc-4334f5114fa1-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://honestco.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="hnst-20241231.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://honestco.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_a6e213be-fb33-4bde-b2dd-42405e087a99" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_a6e213be-fb33-4bde-b2dd-42405e087a99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c9afb046-e1da-403f-a9af-2bf8ad3537d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c9afb046-e1da-403f-a9af-2bf8ad3537d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_b5a90062-b7b0-4f5a-9ded-80f4881ef1e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_AssetsCurrent_b5a90062-b7b0-4f5a-9ded-80f4881ef1e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_c06abf6c-95a9-461b-83a8-0daa6d88d471" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_c06abf6c-95a9-461b-83a8-0daa6d88d471" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_32e4ec15-b02e-4a6d-a7e9-98ac726cb3f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_Goodwill_32e4ec15-b02e-4a6d-a7e9-98ac726cb3f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_d6d106be-dcab-470c-9eaa-d94946bfbfd3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_565a68d7-6dc8-40dc-83d6-edb7a83c090b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_d6d106be-dcab-470c-9eaa-d94946bfbfd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_df03f6b5-3046-443d-b870-fd8c25a1a480" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_479459e3-9575-4e30-9562-d5ae36eb9fb4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df03f6b5-3046-443d-b870-fd8c25a1a480" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_479459e3-9575-4e30-9562-d5ae36eb9fb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_6e5423f9-6db2-45c2-b899-d45d68ea4011" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df03f6b5-3046-443d-b870-fd8c25a1a480" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_6e5423f9-6db2-45c2-b899-d45d68ea4011" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_458c0ac9-5728-46ef-9fc9-1617d9fe8fb7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_df03f6b5-3046-443d-b870-fd8c25a1a480" xlink:to="loc_us-gaap_LiabilitiesCurrent_458c0ac9-5728-46ef-9fc9-1617d9fe8fb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_92113edb-c7d1-4ac4-80b8-4bff238c2a10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9e63bf63-d9f6-46b3-bba3-9cb01e736601" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_92113edb-c7d1-4ac4-80b8-4bff238c2a10" xlink:to="loc_us-gaap_StockholdersEquity_9e63bf63-d9f6-46b3-bba3-9cb01e736601" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4c3d01b8-697c-4f9f-8829-71023f3d0c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_92113edb-c7d1-4ac4-80b8-4bff238c2a10" xlink:to="loc_us-gaap_CommitmentsAndContingencies_4c3d01b8-697c-4f9f-8829-71023f3d0c8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_80afd81b-395d-4b0b-9d5f-abfa543b2c5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_92113edb-c7d1-4ac4-80b8-4bff238c2a10" xlink:to="loc_us-gaap_Liabilities_80afd81b-395d-4b0b-9d5f-abfa543b2c5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_ed6b2c86-c029-481e-b1c4-1ec8a6701d5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c504222f-984e-4c2b-8ed8-8b3fe2252337" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_ed6b2c86-c029-481e-b1c4-1ec8a6701d5f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c504222f-984e-4c2b-8ed8-8b3fe2252337" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_cbb07c4a-a439-445f-87b8-08d127450411" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_ed6b2c86-c029-481e-b1c4-1ec8a6701d5f" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_cbb07c4a-a439-445f-87b8-08d127450411" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2eec5cff-f05d-4fbc-bb4f-b3bee9840460" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_ed6b2c86-c029-481e-b1c4-1ec8a6701d5f" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2eec5cff-f05d-4fbc-bb4f-b3bee9840460" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_ad45b240-04a5-43bc-98c0-63cd28233639" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_ed6b2c86-c029-481e-b1c4-1ec8a6701d5f" xlink:to="loc_us-gaap_InventoryNet_ad45b240-04a5-43bc-98c0-63cd28233639" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0a6990ad-e4de-4de0-b44e-4201a1205d06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_8cddfad9-b9c5-4ba2-a926-5a4c9e17a2b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0a6990ad-e4de-4de0-b44e-4201a1205d06" xlink:to="loc_us-gaap_AdditionalPaidInCapital_8cddfad9-b9c5-4ba2-a926-5a4c9e17a2b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f22744ab-2828-4306-9b61-7a0ac05a882d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0a6990ad-e4de-4de0-b44e-4201a1205d06" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f22744ab-2828-4306-9b61-7a0ac05a882d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_aef1055b-fe0c-4e93-8ffe-3288adbfdff1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0a6990ad-e4de-4de0-b44e-4201a1205d06" xlink:to="loc_us-gaap_CommonStockValue_aef1055b-fe0c-4e93-8ffe-3288adbfdff1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_5a14da86-97f1-49d8-8e4c-e2783db429c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0a6990ad-e4de-4de0-b44e-4201a1205d06" xlink:to="loc_us-gaap_PreferredStockValue_5a14da86-97f1-49d8-8e4c-e2783db429c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_b1ebc02b-a4d8-4993-badc-1aca18aca290" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_6f7bfe60-757f-4ec1-b0fa-00718fb35e26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b1ebc02b-a4d8-4993-badc-1aca18aca290" xlink:to="loc_us-gaap_AccountsPayableCurrent_6f7bfe60-757f-4ec1-b0fa-00718fb35e26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_c54880b1-fdaa-4d35-bc37-310ee4903f51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b1ebc02b-a4d8-4993-badc-1aca18aca290" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_c54880b1-fdaa-4d35-bc37-310ee4903f51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_1fc030eb-1eb0-414e-9301-aca1a959ab03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b1ebc02b-a4d8-4993-badc-1aca18aca290" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_1fc030eb-1eb0-414e-9301-aca1a959ab03" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/ConsolidatedStatementsofComprehensiveLoss" xlink:type="simple" xlink:href="hnst-20241231.xsd#ConsolidatedStatementsofComprehensiveLoss"/>
  <link:calculationLink xlink:role="http://honestco.com/role/ConsolidatedStatementsofComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c1da9e76-e76d-4c5d-b2a8-88179c551504" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_7378a1c8-8ff1-465a-8f8b-fc2dc03dee3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c1da9e76-e76d-4c5d-b2a8-88179c551504" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_7378a1c8-8ff1-465a-8f8b-fc2dc03dee3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b7e947fd-f23c-4be3-9222-3595a8396a5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c1da9e76-e76d-4c5d-b2a8-88179c551504" xlink:to="loc_us-gaap_OperatingIncomeLoss_b7e947fd-f23c-4be3-9222-3595a8396a5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_af0c8398-4e39-4376-8b27-44982ed7e538" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketingExpense_d66a9eb0-f5d1-40e9-a1f4-21c12acb0c56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_af0c8398-4e39-4376-8b27-44982ed7e538" xlink:to="loc_us-gaap_MarketingExpense_d66a9eb0-f5d1-40e9-a1f4-21c12acb0c56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_8c654d1f-bda7-4d53-9fc7-e66174979a8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_af0c8398-4e39-4376-8b27-44982ed7e538" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_8c654d1f-bda7-4d53-9fc7-e66174979a8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_feb8f35d-e851-4fdd-b1e0-b12eb690fb28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_af0c8398-4e39-4376-8b27-44982ed7e538" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_feb8f35d-e851-4fdd-b1e0-b12eb690fb28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_576adb90-ec0e-487d-94d7-c57b93b41331" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_af0c8398-4e39-4376-8b27-44982ed7e538" xlink:to="loc_us-gaap_RestructuringCharges_576adb90-ec0e-487d-94d7-c57b93b41331" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_19756dbf-2c89-4961-a6ce-a38f5b8bf920" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7ae20686-57d4-4817-b91f-cd827b1f7f03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_19756dbf-2c89-4961-a6ce-a38f5b8bf920" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7ae20686-57d4-4817-b91f-cd827b1f7f03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_5bab4926-0dc0-4a32-b63c-bcf060ea5c94" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_19756dbf-2c89-4961-a6ce-a38f5b8bf920" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_5bab4926-0dc0-4a32-b63c-bcf060ea5c94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_5b02d2ef-d2dc-474a-9c82-2fd775772d21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cb70a3da-0cf3-4024-a580-c9d3795e5f55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_5b02d2ef-d2dc-474a-9c82-2fd775772d21" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cb70a3da-0cf3-4024-a580-c9d3795e5f55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_6e410cea-1a2e-4469-8eb5-92df728066e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_5b02d2ef-d2dc-474a-9c82-2fd775772d21" xlink:to="loc_us-gaap_CostOfRevenue_6e410cea-1a2e-4469-8eb5-92df728066e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_bb758577-7632-496e-98c0-46e3fae9105a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_d7d910bc-c425-44b7-a914-8f619c73e002" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bb758577-7632-496e-98c0-46e3fae9105a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_d7d910bc-c425-44b7-a914-8f619c73e002" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_58389077-c452-43f3-a5ea-2a3a3aaa6572" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bb758577-7632-496e-98c0-46e3fae9105a" xlink:to="loc_us-gaap_NetIncomeLoss_58389077-c452-43f3-a5ea-2a3a3aaa6572" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_f95357fd-94c2-429a-ad7d-fd1e2bd802ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_363ac7aa-7731-4dc8-94f3-994164f0ea0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f95357fd-94c2-429a-ad7d-fd1e2bd802ab" xlink:to="loc_us-gaap_GrossProfit_363ac7aa-7731-4dc8-94f3-994164f0ea0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_892667bf-008c-408e-b1aa-48f42b72d05d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f95357fd-94c2-429a-ad7d-fd1e2bd802ab" xlink:to="loc_us-gaap_OperatingExpenses_892667bf-008c-408e-b1aa-48f42b72d05d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="hnst-20241231.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://honestco.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83e28eb9-5674-4050-9160-0069b801f4c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_033fd271-90ce-4cff-b975-21ec22d8bd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83e28eb9-5674-4050-9160-0069b801f4c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_033fd271-90ce-4cff-b975-21ec22d8bd8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_36b78495-4d14-4e22-960a-2e3165b7e8e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83e28eb9-5674-4050-9160-0069b801f4c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_36b78495-4d14-4e22-960a-2e3165b7e8e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_98b5517d-5016-4640-b2f4-ec5cc7544149" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_83e28eb9-5674-4050-9160-0069b801f4c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_98b5517d-5016-4640-b2f4-ec5cc7544149" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b64e2e-5b7a-4234-b0a8-e103831b709c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_94c8c47d-d22c-496d-b9c9-fa891fcdff8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b64e2e-5b7a-4234-b0a8-e103831b709c" xlink:to="loc_us-gaap_ProceedsFromStockPlans_94c8c47d-d22c-496d-b9c9-fa891fcdff8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_d160beec-1652-47ab-b1f5-6d7ca9abbd6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b64e2e-5b7a-4234-b0a8-e103831b709c" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_d160beec-1652-47ab-b1f5-6d7ca9abbd6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_f3d25409-49ad-4212-83f3-a79bea801554" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b64e2e-5b7a-4234-b0a8-e103831b709c" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_f3d25409-49ad-4212-83f3-a79bea801554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_df26c768-e8a2-4bf1-a63d-4da767d54afa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66b64e2e-5b7a-4234-b0a8-e103831b709c" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_df26c768-e8a2-4bf1-a63d-4da767d54afa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_e01911c1-703b-42fe-88c9-5e0b11041b2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_e01911c1-703b-42fe-88c9-5e0b11041b2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_471fa9fb-1a62-47db-a533-c5dc418a2a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_471fa9fb-1a62-47db-a533-c5dc418a2a6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLongTermLiabilities_3047fec8-d58f-4b20-94bf-f1eb79928f28" xlink:href="hnst-20241231.xsd#hnst_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLongTermLiabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_hnst_IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndOtherLongTermLiabilities_3047fec8-d58f-4b20-94bf-f1eb79928f28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_6f458065-9db9-4907-9516-0bed8792ecea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_6f458065-9db9-4907-9516-0bed8792ecea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_9c80cbfc-92c8-4f32-8fd7-c653ec5bdbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_NetIncomeLoss_9c80cbfc-92c8-4f32-8fd7-c653ec5bdbf8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_6d5da701-209d-44e8-bc66-f6560f14e987" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_ShareBasedCompensation_6d5da701-209d-44e8-bc66-f6560f14e987" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_98398a72-51eb-42d1-87d9-04e1ef398a67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_98398a72-51eb-42d1-87d9-04e1ef398a67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_972420b6-a60c-4110-af95-210588ef2c52" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_972420b6-a60c-4110-af95-210588ef2c52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_f096a407-4ea7-40ea-aea9-8685b26bdbe6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_f096a407-4ea7-40ea-aea9-8685b26bdbe6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_827c56ca-711f-4de0-babd-a6d29f508e78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_827c56ca-711f-4de0-babd-a6d29f508e78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_02ee1f0f-5acf-44e6-9acc-766d87eefa57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c7ada00f-c62a-47f2-b389-29789db62259" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_02ee1f0f-5acf-44e6-9acc-766d87eefa57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8228456d-2b8a-4e29-a5cc-c8f7e00d5004" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_fb963748-a237-4f7d-84ef-86e79a60b619" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8228456d-2b8a-4e29-a5cc-c8f7e00d5004" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_fb963748-a237-4f7d-84ef-86e79a60b619" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_c83fe1ff-fd04-4d1e-b91a-764605c88aad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8228456d-2b8a-4e29-a5cc-c8f7e00d5004" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_c83fe1ff-fd04-4d1e-b91a-764605c88aad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d5aa4c0f-3867-43fc-9743-0649f87ac5a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8228456d-2b8a-4e29-a5cc-c8f7e00d5004" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_d5aa4c0f-3867-43fc-9743-0649f87ac5a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_f08e0d49-23f2-4cf6-8eba-5dedb0f7ce61" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8228456d-2b8a-4e29-a5cc-c8f7e00d5004" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_f08e0d49-23f2-4cf6-8eba-5dedb0f7ce61" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/IntangibleAssetsNetScheduleofIndefiniteAssetsNetDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#IntangibleAssetsNetScheduleofIndefiniteAssetsNetDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/IntangibleAssetsNetScheduleofIndefiniteAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ff7f2e82-015d-449e-a797-e7be5b65e3e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_f6c03c8d-6f6b-4a07-8c34-0cea229d323e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ff7f2e82-015d-449e-a797-e7be5b65e3e2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_f6c03c8d-6f6b-4a07-8c34-0cea229d323e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_d80208bf-e258-456c-a5d4-dcace28fea05" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ff7f2e82-015d-449e-a797-e7be5b65e3e2" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_d80208bf-e258-456c-a5d4-dcace28fea05" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/IntangibleAssetsNetScheduleofExpectedRemainingAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#IntangibleAssetsNetScheduleofExpectedRemainingAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/IntangibleAssetsNetScheduleofExpectedRemainingAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_133db9d4-f0ee-464f-b647-edd1591360e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_133db9d4-f0ee-464f-b647-edd1591360e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_00e1aa17-7a88-4ac9-b699-5ffc7f46278d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_00e1aa17-7a88-4ac9-b699-5ffc7f46278d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_49503383-67be-45d8-aa18-12bccce4d52f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_49503383-67be-45d8-aa18-12bccce4d52f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_f861fce5-0a22-434b-bb50-b68c5f9abea4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_f861fce5-0a22-434b-bb50-b68c5f9abea4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4f800c05-f601-4f52-a0ba-100d3136e618" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4f800c05-f601-4f52-a0ba-100d3136e618" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_fe2a656e-fd8c-4781-9c5d-a9ac8ba4a4f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a78dbfc0-3163-4b22-9677-2cb01829724a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_fe2a656e-fd8c-4781-9c5d-a9ac8ba4a4f1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/PropertyandEquipmentNetComponentsDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#PropertyandEquipmentNetComponentsDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/PropertyandEquipmentNetComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30cde736-6a2b-4be3-9c1a-f3852abc961e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0bc3b575-1df6-439f-b8c8-9ef3ad7ad979" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30cde736-6a2b-4be3-9c1a-f3852abc961e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0bc3b575-1df6-439f-b8c8-9ef3ad7ad979" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_ac8ac0f2-46e1-449a-b3ce-84f4a9a7bc71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30cde736-6a2b-4be3-9c1a-f3852abc961e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_ac8ac0f2-46e1-449a-b3ce-84f4a9a7bc71" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/PropertyandEquipmentNetComponentsDetails_1" xlink:type="simple" xlink:href="hnst-20241231.xsd#PropertyandEquipmentNetComponentsDetails_1"/>
  <link:calculationLink xlink:role="http://honestco.com/role/PropertyandEquipmentNetComponentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_d8d94b45-0479-48eb-8f08-ef1fa1278642" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_98bfa993-f283-4312-b52a-bf16c9a761a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_d8d94b45-0479-48eb-8f08-ef1fa1278642" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_98bfa993-f283-4312-b52a-bf16c9a761a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5388b811-523f-48d9-b801-296a344ef62c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_d8d94b45-0479-48eb-8f08-ef1fa1278642" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5388b811-523f-48d9-b801-296a344ef62c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#FairValueMeasurementsDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_fc35cc69-2577-4a2f-becd-383ef933c157" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_0c6c73a8-79aa-4730-838b-774e287c3738" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_fc35cc69-2577-4a2f-becd-383ef933c157" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_0c6c73a8-79aa-4730-838b-774e287c3738" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent_bd1a95e0-d911-4cb5-bbd6-022d2c6d9726" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_fc35cc69-2577-4a2f-becd-383ef933c157" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterestCurrent_bd1a95e0-d911-4cb5-bbd6-022d2c6d9726" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/AccruedExpensesDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#AccruedExpensesDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/AccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_AccruedInventoryPurchases_c0558b1e-e5b9-4c6c-ada0-c538883185c1" xlink:href="hnst-20241231.xsd#hnst_AccruedInventoryPurchases"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_hnst_AccruedInventoryPurchases_c0558b1e-e5b9-4c6c-ada0-c538883185c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalariesCurrent_115505d7-4c58-4d07-9dc4-3fee0132971e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedSalariesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_us-gaap_AccruedSalariesCurrent_115505d7-4c58-4d07-9dc4-3fee0132971e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_251fe4a0-69b6-4980-8ed3-b479314a1120" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_251fe4a0-69b6-4980-8ed3-b479314a1120" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_AccruedReturnLiabilities_c5766857-5b6f-4b4b-af96-959b1ed37668" xlink:href="hnst-20241231.xsd#hnst_AccruedReturnLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_hnst_AccruedReturnLiabilities_c5766857-5b6f-4b4b-af96-959b1ed37668" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_12ecd054-a7e2-41c2-bffb-b7a2224a0575" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_12ecd054-a7e2-41c2-bffb-b7a2224a0575" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_d8840ada-cf9d-45eb-ae6b-d1088667d349" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringReserveCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6e975a4c-0d27-47da-9ec3-26e9021a117b" xlink:to="loc_us-gaap_RestructuringReserveCurrent_d8840ada-cf9d-45eb-ae6b-d1088667d349" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/CommitmentsandContingenciesSummaryofPurchaseCommitmentsDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#CommitmentsandContingenciesSummaryofPurchaseCommitmentsDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/CommitmentsandContingenciesSummaryofPurchaseCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_f2d61018-a214-4e98-97b1-6ef6f4039451" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInFourthYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueInFourthYear_f2d61018-a214-4e98-97b1-6ef6f4039451" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueAfterFifthYear_09dfee19-5c08-4ee1-9022-fff0f47b0a66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueAfterFifthYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueAfterFifthYear_09dfee19-5c08-4ee1-9022-fff0f47b0a66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_b4d6e2d3-4587-4692-abe5-63446ea9e439" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInThirdYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueInThirdYear_b4d6e2d3-4587-4692-abe5-63446ea9e439" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_f198fbce-d737-4b4c-8b1f-bed331466a48" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInSecondYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_f198fbce-d737-4b4c-8b1f-bed331466a48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_4238ab57-4cc1-4073-9c6e-05f073986524" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueInFifthYear_4238ab57-4cc1-4073-9c6e-05f073986524" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_eed51403-e5b8-4633-890a-eea8507bbddc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_905accb9-65e8-4dda-8017-3f9998f330c3" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_eed51403-e5b8-4633-890a-eea8507bbddc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/IncomeTaxesComponentsofIncomeTaxProvisionDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#IncomeTaxesComponentsofIncomeTaxProvisionDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/IncomeTaxesComponentsofIncomeTaxProvisionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d494206d-b1d2-4daa-b9ef-b640a92516e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_67029816-bf03-4f88-b2a0-2cd57027bc33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d494206d-b1d2-4daa-b9ef-b640a92516e2" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_67029816-bf03-4f88-b2a0-2cd57027bc33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_6fe3ba24-8212-4af3-ab42-5180c4d8b63e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d494206d-b1d2-4daa-b9ef-b640a92516e2" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_6fe3ba24-8212-4af3-ab42-5180c4d8b63e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_56038835-bce5-4694-b57e-a32307793817" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d494206d-b1d2-4daa-b9ef-b640a92516e2" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_56038835-bce5-4694-b57e-a32307793817" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3a1418f3-21a2-4c0e-a978-2c37fcd5f06f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3baf2e73-dd68-401a-9a8c-4b4210d56391" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a1418f3-21a2-4c0e-a978-2c37fcd5f06f" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3baf2e73-dd68-401a-9a8c-4b4210d56391" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_508e5675-a7e5-4227-91a2-9048d58425d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_3a1418f3-21a2-4c0e-a978-2c37fcd5f06f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_508e5675-a7e5-4227-91a2-9048d58425d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_beeafd0d-ea6c-4f5e-ad83-0b2e0f1c05a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_90d9e0e4-e340-41c5-8ea3-a10d3f01cdad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_beeafd0d-ea6c-4f5e-ad83-0b2e0f1c05a2" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_90d9e0e4-e340-41c5-8ea3-a10d3f01cdad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e9bb49ad-b959-439a-9f8b-f01cca6944ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_beeafd0d-ea6c-4f5e-ad83-0b2e0f1c05a2" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e9bb49ad-b959-439a-9f8b-f01cca6944ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_6dd6238e-087b-43b0-b9c7-d3299eefa7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_beeafd0d-ea6c-4f5e-ad83-0b2e0f1c05a2" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_6dd6238e-087b-43b0-b9c7-d3299eefa7ac" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/IncomeTaxesSummaryofReconciliationofIncomeTaxBenefitDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#IncomeTaxesSummaryofReconciliationofIncomeTaxBenefitDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/IncomeTaxesSummaryofReconciliationofIncomeTaxBenefitDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_e743855c-d172-4fb9-9c0b-8ac79ea85a16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_e743855c-d172-4fb9-9c0b-8ac79ea85a16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_f7f0aa9b-b490-4bc5-940c-299f4deff7b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_f7f0aa9b-b490-4bc5-940c-299f4deff7b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_4d92fdd4-588f-4bb2-9e2a-d8e77586bf56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_4d92fdd4-588f-4bb2-9e2a-d8e77586bf56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_67983a00-1bd4-4404-b88e-57ff4fe41799" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_67983a00-1bd4-4404-b88e-57ff4fe41799" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_d1743e78-a517-4832-b5f9-a58a9c925b73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_d1743e78-a517-4832-b5f9-a58a9c925b73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_5d9f13a4-f0b4-47d7-a37e-0ce146cd54e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_5d9f13a4-f0b4-47d7-a37e-0ce146cd54e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_de314af2-1ea8-4267-96e0-071a0499e30f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_de314af2-1ea8-4267-96e0-071a0499e30f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseParkingAmount_5de830f3-cb53-4689-b8f7-f454b59a115a" xlink:href="hnst-20241231.xsd#hnst_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseParkingAmount"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_73053798-b568-4a4b-82d7-0aa7a2f6f96d" xlink:to="loc_hnst_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseParkingAmount_5de830f3-cb53-4689-b8f7-f454b59a115a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/IncomeTaxesScheduleofDeferredTaxDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#IncomeTaxesScheduleofDeferredTaxDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/IncomeTaxesScheduleofDeferredTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_d2bc3666-4fbf-43f4-a257-ce4444961bb0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_d2bc3666-4fbf-43f4-a257-ce4444961bb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d7510247-62f5-421a-aaed-a8d80ec972fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_d7510247-62f5-421a-aaed-a8d80ec972fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_011c2bae-3993-4b30-a104-fdc115451655" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_011c2bae-3993-4b30-a104-fdc115451655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_DeferredTaxAssetOperatingLossAndOtherCarryforwards_fe7b4a4a-c314-4eed-8bbb-1f36267dc25f" xlink:href="hnst-20241231.xsd#hnst_DeferredTaxAssetOperatingLossAndOtherCarryforwards"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_hnst_DeferredTaxAssetOperatingLossAndOtherCarryforwards_fe7b4a4a-c314-4eed-8bbb-1f36267dc25f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_9d98aace-807c-4b4e-9974-88f70afe41de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_9d98aace-807c-4b4e-9974-88f70afe41de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_3dd796d2-60eb-4852-9049-427fc3a8641f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_3dd796d2-60eb-4852-9049-427fc3a8641f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_DeferredTaxAssetsDeferredExpenseCapitalizedResearchAndDevelopmentCosts_c8920eef-0ecb-4274-8a6a-a2fe1ca863df" xlink:href="hnst-20241231.xsd#hnst_DeferredTaxAssetsDeferredExpenseCapitalizedResearchAndDevelopmentCosts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_hnst_DeferredTaxAssetsDeferredExpenseCapitalizedResearchAndDevelopmentCosts_c8920eef-0ecb-4274-8a6a-a2fe1ca863df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_DeferredTaxAssetLeasingArrangements_6e843f36-46f3-4db6-8964-d7a0ba7885d0" xlink:href="hnst-20241231.xsd#hnst_DeferredTaxAssetLeasingArrangements"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f1aae7c2-3f7d-4bbf-9962-fbc81602ddcc" xlink:to="loc_hnst_DeferredTaxAssetLeasingArrangements_6e843f36-46f3-4db6-8964-d7a0ba7885d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_3adb6bd0-6fde-4323-a4df-d1f30b484d26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ab1d5d57-dd36-4377-b428-db94dc17a67b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_3adb6bd0-6fde-4323-a4df-d1f30b484d26" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_ab1d5d57-dd36-4377-b428-db94dc17a67b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_33935edd-4d3e-4bc7-8820-2606de867d28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_3adb6bd0-6fde-4323-a4df-d1f30b484d26" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_33935edd-4d3e-4bc7-8820-2606de867d28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_540986a9-6556-48a9-9299-11a1e9de969e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_78983cd4-32cb-4243-9351-6bd4b6d0920e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_540986a9-6556-48a9-9299-11a1e9de969e" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_78983cd4-32cb-4243-9351-6bd4b6d0920e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_638f88aa-e6b2-43ab-8b71-e57772405bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_540986a9-6556-48a9-9299-11a1e9de969e" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_638f88aa-e6b2-43ab-8b71-e57772405bcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_a44aacaf-846c-4e7c-ad68-844eb6c236bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_DeferredTaxLiabilitiesStateTaxes_36b1e2b9-f7a2-49f4-afc4-c15ddb8a2d50" xlink:href="hnst-20241231.xsd#hnst_DeferredTaxLiabilitiesStateTaxes"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_a44aacaf-846c-4e7c-ad68-844eb6c236bd" xlink:to="loc_hnst_DeferredTaxLiabilitiesStateTaxes_36b1e2b9-f7a2-49f4-afc4-c15ddb8a2d50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_c3adb5c2-30af-4d28-8742-a9af6b1ffcb7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_a44aacaf-846c-4e7c-ad68-844eb6c236bd" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_c3adb5c2-30af-4d28-8742-a9af6b1ffcb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_6a4f24eb-0e4c-4b7e-b534-bc935088a749" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_a44aacaf-846c-4e7c-ad68-844eb6c236bd" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_6a4f24eb-0e4c-4b7e-b534-bc935088a749" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_2046ddc5-3141-4111-9453-13d6ddedcbc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_a44aacaf-846c-4e7c-ad68-844eb6c236bd" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_2046ddc5-3141-4111-9453-13d6ddedcbc8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#LeasesScheduleofLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_0fc25416-03d8-4eca-9d72-78d1412f68ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_6c4e11b9-2ae2-455f-b791-a58c86debb1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_0fc25416-03d8-4eca-9d72-78d1412f68ba" xlink:to="loc_us-gaap_SubleaseIncome_6c4e11b9-2ae2-455f-b791-a58c86debb1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_1143d0ac-8224-4f8d-b874-8d446ad2ec0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_0fc25416-03d8-4eca-9d72-78d1412f68ba" xlink:to="loc_us-gaap_OperatingLeaseCost_1143d0ac-8224-4f8d-b874-8d446ad2ec0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_bb47afe9-a6fc-4ded-81e2-e74bab35a84e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_0fc25416-03d8-4eca-9d72-78d1412f68ba" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_bb47afe9-a6fc-4ded-81e2-e74bab35a84e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_7c07e712-9035-4727-afc3-aa2b5b1b52d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_0fc25416-03d8-4eca-9d72-78d1412f68ba" xlink:to="loc_us-gaap_ShortTermLeaseCost_7c07e712-9035-4727-afc3-aa2b5b1b52d2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/LeasesSummaryofAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#LeasesSummaryofAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/LeasesSummaryofAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_hnst_LeaseLiability_cfa3516a-051c-42b9-aa00-5fca05571a21" xlink:href="hnst-20241231.xsd#hnst_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_2316aaf7-e8b5-4b77-a077-23bf6b76e9d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseLiability_cfa3516a-051c-42b9-aa00-5fca05571a21" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_2316aaf7-e8b5-4b77-a077-23bf6b76e9d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0ad073a6-c095-4344-a840-e4ce059098c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseLiability_cfa3516a-051c-42b9-aa00-5fca05571a21" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0ad073a6-c095-4344-a840-e4ce059098c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_4f32c560-5e18-44b4-9faf-6f3d2689857e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseLiability_cfa3516a-051c-42b9-aa00-5fca05571a21" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_4f32c560-5e18-44b4-9faf-6f3d2689857e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_3a86ceb2-5a34-4832-b853-c0952a498025" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseLiability_cfa3516a-051c-42b9-aa00-5fca05571a21" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_3a86ceb2-5a34-4832-b853-c0952a498025" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hnst_LeaseRightOfUseAsset_199b1bf6-df44-4d7d-af26-fa78063d5e3a" xlink:href="hnst-20241231.xsd#hnst_LeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_2c97a34e-4dc6-4b24-ab04-d203cbd0df63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseRightOfUseAsset_199b1bf6-df44-4d7d-af26-fa78063d5e3a" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_2c97a34e-4dc6-4b24-ab04-d203cbd0df63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_51f13ff9-c5db-4c70-abb5-90399df065fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hnst_LeaseRightOfUseAsset_199b1bf6-df44-4d7d-af26-fa78063d5e3a" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_51f13ff9-c5db-4c70-abb5-90399df065fa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails" xlink:type="simple" xlink:href="hnst-20241231.xsd#LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails"/>
  <link:calculationLink xlink:role="http://honestco.com/role/LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_051793cf-6fbc-463e-a514-702742b4e795" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_49208f51-527d-44ae-b592-fdc710e2ca6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_051793cf-6fbc-463e-a514-702742b4e795" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_49208f51-527d-44ae-b592-fdc710e2ca6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_725d70e5-7cd7-4044-a0e1-d222b4cd24e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_051793cf-6fbc-463e-a514-702742b4e795" xlink:to="loc_us-gaap_FinanceLeaseLiability_725d70e5-7cd7-4044-a0e1-d222b4cd24e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ed81f489-5b5c-4301-b611-91daf0f68983" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ed81f489-5b5c-4301-b611-91daf0f68983" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_0cafa691-5d4e-47e6-ad90-1514306248e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_0cafa691-5d4e-47e6-ad90-1514306248e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_a6388e92-20f1-4425-8a8d-109a1b1d0152" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_a6388e92-20f1-4425-8a8d-109a1b1d0152" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5a711406-f636-4c31-8ceb-303058874cd4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5a711406-f636-4c31-8ceb-303058874cd4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_686905da-caf7-4279-8991-455c0fc950a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_686905da-caf7-4279-8991-455c0fc950a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2a1edc85-c150-4994-bf77-ba1d6941241f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_91cebac0-e2f1-4ec0-8d1a-a9384beb6860" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2a1edc85-c150-4994-bf77-ba1d6941241f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://honestco.com/role/LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails_1" xlink:type="simple" xlink:href="hnst-20241231.xsd#LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://honestco.com/role/LeasesSummaryofFutureMinimumLeasePaymentsforOperatingandFinanceLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1e2061fe-ff12-4497-9ec5-7d44114f0997" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_90bed63c-1e66-4b7a-b601-f0a06ea9f7d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1e2061fe-ff12-4497-9ec5-7d44114f0997" xlink:to="loc_us-gaap_OperatingLeaseLiability_90bed63c-1e66-4b7a-b601-f0a06ea9f7d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_91b885a7-a66a-4b66-82a9-4bb79a7ddc41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1e2061fe-ff12-4497-9ec5-7d44114f0997" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_91b885a7-a66a-4b66-82a9-4bb79a7ddc41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_0ac4f67e-0101-4d4b-98a8-b2ae1053437f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_0ac4f67e-0101-4d4b-98a8-b2ae1053437f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d460644d-d8d3-454b-b823-c148119a628f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d460644d-d8d3-454b-b823-c148119a628f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_681d99ae-b880-4372-9fa1-8a80d1ec1fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_681d99ae-b880-4372-9fa1-8a80d1ec1fbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_4aad9f91-a5dd-40d5-bca9-0c4afc26c833" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_4aad9f91-a5dd-40d5-bca9-0c4afc26c833" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_5e902607-d3ce-49b1-86e6-b771fc2908a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_5e902607-d3ce-49b1-86e6-b771fc2908a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_65da38e2-cc54-451b-9934-981aca3d914a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47bf37b9-023d-41a1-9734-9c92a3d44790" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_65da38e2-cc54-451b-9934-981aca3d914a" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
