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

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:b3b57a1f-bc58-49b9-b24c-c5d06b45ec38,g:9f7086ce-b404-4e84-ba9c-3ccf87347933-->
<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://www.firstwatch.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="fwrg-20230326.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ab956c20-84d8-4756-a8ea-df586850e52c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ab956c20-84d8-4756-a8ea-df586850e52c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6c0f0641-63b2-481f-aaec-8999aa59b642" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6c0f0641-63b2-481f-aaec-8999aa59b642" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_5902e64d-43bb-4677-b45a-4a0016ec604a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_AssetsCurrent_5902e64d-43bb-4677-b45a-4a0016ec604a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_b4330e8b-5a9d-4d0b-8746-d14c0b51f587" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_b4330e8b-5a9d-4d0b-8746-d14c0b51f587" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_8761d015-9d68-4388-938e-24d2cfcf4bb0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_8761d015-9d68-4388-938e-24d2cfcf4bb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_e023e930-a12f-457f-bd86-633c4ed28011" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_ee5014ef-4f14-4053-8542-2f0f7e10922d" xlink:to="loc_us-gaap_Goodwill_e023e930-a12f-457f-bd86-633c4ed28011" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_864ea6f1-edcd-4464-b82e-3e7803ae5e8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_864ea6f1-edcd-4464-b82e-3e7803ae5e8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a3469b33-df6a-4909-9216-a1af26fe48bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:to="loc_us-gaap_LiabilitiesCurrent_a3469b33-df6a-4909-9216-a1af26fe48bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_9031f124-044a-4475-8bab-d18d9d0208a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_9031f124-044a-4475-8bab-d18d9d0208a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_fccc7fd8-86c2-4b0c-a850-7f9d410c9faf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_fccc7fd8-86c2-4b0c-a850-7f9d410c9faf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_99f2e89d-7699-4fda-9008-2f21637f4e51" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_65d973a4-8999-4f79-a363-b025442932c0" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_99f2e89d-7699-4fda-9008-2f21637f4e51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_38d20913-534d-41a6-8a8e-6e411ee097a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b8c7f398-ff5b-4685-b395-6cb303b8815f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_38d20913-534d-41a6-8a8e-6e411ee097a6" xlink:to="loc_us-gaap_StockholdersEquity_b8c7f398-ff5b-4685-b395-6cb303b8815f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_3fd2471a-e779-40c4-83e7-1069ef8e9b7f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_38d20913-534d-41a6-8a8e-6e411ee097a6" xlink:to="loc_us-gaap_CommitmentsAndContingencies_3fd2471a-e779-40c4-83e7-1069ef8e9b7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_02cf52a6-289b-4d2a-a1b5-e64042e1abc4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_38d20913-534d-41a6-8a8e-6e411ee097a6" xlink:to="loc_us-gaap_Liabilities_02cf52a6-289b-4d2a-a1b5-e64042e1abc4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_PortionOfLongTermDebtCurrent_81e219f3-85b4-4a49-b955-4294e204baa7" xlink:href="fwrg-20230326.xsd#fwrg_PortionOfLongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_fwrg_PortionOfLongTermDebtCurrent_81e219f3-85b4-4a49-b955-4294e204baa7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_98250cac-3e6c-4810-9fbf-1893054e91bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_98250cac-3e6c-4810-9fbf-1893054e91bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_2627dffe-57a6-406e-8136-e268c9e1dadc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_2627dffe-57a6-406e-8136-e268c9e1dadc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_34dd1bb6-3070-4553-ae84-93c96d449ce7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_34dd1bb6-3070-4553-ae84-93c96d449ce7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_77a043a3-532f-4315-aefc-ce9627c4df8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_77a043a3-532f-4315-aefc-ce9627c4df8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_c2a25f85-4b54-42ff-952a-c8470be2a089" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_AccountsPayableCurrent_c2a25f85-4b54-42ff-952a-c8470be2a089" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableCurrent_dbc3c8d5-669c-4fff-8cec-6c732427ed0a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d0d40eb6-a471-46c3-8f07-a013cac68993" xlink:to="loc_us-gaap_NotesPayableCurrent_dbc3c8d5-669c-4fff-8cec-6c732427ed0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9c7e12ea-ad54-43b2-b51a-5f6a20b0979c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_fe40a647-8a79-4d5f-b49d-c2de27d93818" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9c7e12ea-ad54-43b2-b51a-5f6a20b0979c" xlink:to="loc_us-gaap_PreferredStockValue_fe40a647-8a79-4d5f-b49d-c2de27d93818" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_03f4d28e-c218-4bdf-bee1-3e764a82b66d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9c7e12ea-ad54-43b2-b51a-5f6a20b0979c" xlink:to="loc_us-gaap_CommonStockValue_03f4d28e-c218-4bdf-bee1-3e764a82b66d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_83a466ba-0561-4bc7-9b89-538f3899cf2a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9c7e12ea-ad54-43b2-b51a-5f6a20b0979c" xlink:to="loc_us-gaap_AdditionalPaidInCapital_83a466ba-0561-4bc7-9b89-538f3899cf2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f410fc52-dab9-4f4d-882b-5eff4070cbfd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9c7e12ea-ad54-43b2-b51a-5f6a20b0979c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f410fc52-dab9-4f4d-882b-5eff4070cbfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_567735e7-48c2-44f4-a1d8-d4c3129f8e11" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_567735e7-48c2-44f4-a1d8-d4c3129f8e11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_f247204a-3816-47f4-a36d-5b5d22844db6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_f247204a-3816-47f4-a36d-5b5d22844db6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_a2b0e2c9-d89a-4402-933c-75b6a06d2ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_InventoryNet_a2b0e2c9-d89a-4402-933c-75b6a06d2ee4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5c991d5a-732e-4eba-bd25-32ca8d7b9152" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5c991d5a-732e-4eba-bd25-32ca8d7b9152" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_36abff6b-7429-4067-b31c-6cd79a8387f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_RestrictedCashCurrent_36abff6b-7429-4067-b31c-6cd79a8387f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_d18a8f6b-4cda-4c84-9e5a-4fa36ddd3899" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3083d98b-926e-4e2c-8396-f695eaa742c4" xlink:to="loc_us-gaap_OtherAssetsCurrent_d18a8f6b-4cda-4c84-9e5a-4fa36ddd3899" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="fwrg-20230326.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_13e7bba6-b8c4-4d42-9a25-13f9b16140b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_cfd28184-cefa-458f-9d8d-51b85886ca75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_13e7bba6-b8c4-4d42-9a25-13f9b16140b8" xlink:to="loc_us-gaap_OperatingIncomeLoss_cfd28184-cefa-458f-9d8d-51b85886ca75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_d74b966a-0bf4-495c-b933-2de0496ac4e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_13e7bba6-b8c4-4d42-9a25-13f9b16140b8" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_d74b966a-0bf4-495c-b933-2de0496ac4e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_64c09f81-4abb-46b6-9514-9327c4bdb4a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_13e7bba6-b8c4-4d42-9a25-13f9b16140b8" xlink:to="loc_us-gaap_InterestExpense_64c09f81-4abb-46b6-9514-9327c4bdb4a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_4a564710-b49f-451e-a6d1-a7b44ab9161a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_4a564710-b49f-451e-a6d1-a7b44ab9161a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_8468fe63-6329-4a8c-8c03-8cc4ac0c06cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_8468fe63-6329-4a8c-8c03-8cc4ac0c06cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreOpeningCosts_cb558f37-4d00-40f0-b0ca-f67784712509" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreOpeningCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_PreOpeningCosts_cb558f37-4d00-40f0-b0ca-f67784712509" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_6ee7b44d-3c9f-48ec-8f01-83118b0008f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_DepreciationAndAmortization_6ee7b44d-3c9f-48ec-8f01-83118b0008f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectLabor_a8294ac9-d365-4891-a5aa-9c624176cb83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostDirectLabor"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_CostDirectLabor_a8294ac9-d365-4891-a5aa-9c624176cb83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldOverhead_cb548209-5ccd-4464-ae25-fe3e82b3ca1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSoldOverhead"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldOverhead_cb548209-5ccd-4464-ae25-fe3e82b3ca1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_TransactionIncomeExpenseNet_39e7c82d-22c9-49a7-ae5e-23e330a78080" xlink:href="fwrg-20230326.xsd#fwrg_TransactionIncomeExpenseNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_fwrg_TransactionIncomeExpenseNet_39e7c82d-22c9-49a7-ae5e-23e330a78080" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_0c896491-5fa5-4324-ba6d-bad03f0db386" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostDirectMaterial"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_CostDirectMaterial_0c896491-5fa5-4324-ba6d-bad03f0db386" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_68572724-6434-4888-a38f-d74488513c04" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_09ec81a2-578b-48e0-ab2d-41e2e1921db6" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_68572724-6434-4888-a38f-d74488513c04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_554b22cd-fb9a-4e8d-a7cf-f7a488c2752b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c5557db1-4025-4511-b7dd-96ef2bb39c38" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_OperatingIncomeLoss_554b22cd-fb9a-4e8d-a7cf-f7a488c2752b" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c5557db1-4025-4511-b7dd-96ef2bb39c38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_fa0926b7-9811-4493-91d1-eafa80a09c42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_554b22cd-fb9a-4e8d-a7cf-f7a488c2752b" xlink:to="loc_us-gaap_CostsAndExpenses_fa0926b7-9811-4493-91d1-eafa80a09c42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3fdee1a8-c9f2-44de-ab56-c99650d1f4ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_bc26a79e-7159-44c1-ab6c-fc16e4e3cede" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3fdee1a8-c9f2-44de-ab56-c99650d1f4ee" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_bc26a79e-7159-44c1-ab6c-fc16e4e3cede" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6f320446-c218-41d9-a43b-a7130b9deb44" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3fdee1a8-c9f2-44de-ab56-c99650d1f4ee" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6f320446-c218-41d9-a43b-a7130b9deb44" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="fwrg-20230326.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_165edadf-a396-4119-8a78-684e219dd96d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e75f3085-2c4f-4177-9642-6020a8f91004" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_165edadf-a396-4119-8a78-684e219dd96d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e75f3085-2c4f-4177-9642-6020a8f91004" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0bf1db2c-743d-42f3-92ad-ed30a14347a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_165edadf-a396-4119-8a78-684e219dd96d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0bf1db2c-743d-42f3-92ad-ed30a14347a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_af205bf1-eb16-42b0-a282-e0147a590579" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_165edadf-a396-4119-8a78-684e219dd96d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_af205bf1-eb16-42b0-a282-e0147a590579" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fcfe4d70-77e2-4fe1-a8ee-ed7268b95eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_a695b6b2-42f1-4421-b41c-fc2c56000dab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fcfe4d70-77e2-4fe1-a8ee-ed7268b95eaa" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_a695b6b2-42f1-4421-b41c-fc2c56000dab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_ac712c51-e68e-4ba6-9910-24e01a2d90bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fcfe4d70-77e2-4fe1-a8ee-ed7268b95eaa" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_ac712c51-e68e-4ba6-9910-24e01a2d90bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_7f2cd7c5-cd6d-4b6c-a6c7-fafaeab66970" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fcfe4d70-77e2-4fe1-a8ee-ed7268b95eaa" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_7f2cd7c5-cd6d-4b6c-a6c7-fafaeab66970" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_96f1b6dc-77a4-44bf-830b-ed6113a3229d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fcfe4d70-77e2-4fe1-a8ee-ed7268b95eaa" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_96f1b6dc-77a4-44bf-830b-ed6113a3229d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_02819c52-3538-4c20-9ac8-7089f8b52921" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_009ebb57-d925-4b11-a0df-2c7c42fcd5f3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_02819c52-3538-4c20-9ac8-7089f8b52921" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_009ebb57-d925-4b11-a0df-2c7c42fcd5f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_af619a52-b534-4cd9-8f38-cf91d45350cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_02819c52-3538-4c20-9ac8-7089f8b52921" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_af619a52-b534-4cd9-8f38-cf91d45350cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_07efcc99-71ef-4dc8-b984-f9ed681816db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_02819c52-3538-4c20-9ac8-7089f8b52921" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_07efcc99-71ef-4dc8-b984-f9ed681816db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_577a5ec6-03e2-4b00-b7ca-45cba9e40fda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_577a5ec6-03e2-4b00-b7ca-45cba9e40fda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_32b89d29-026e-412a-ab47-644a790b0d74" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_32b89d29-026e-412a-ab47-644a790b0d74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherDepreciationAndAmortization_df0b9f91-25e1-480e-9b8b-28a2a2ee061c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_OtherDepreciationAndAmortization_df0b9f91-25e1-480e-9b8b-28a2a2ee061c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_0239439d-16d2-4c2d-9bb8-f09f88a0707b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_0239439d-16d2-4c2d-9bb8-f09f88a0707b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_3991318d-59c9-49be-865b-bb4777f7126a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_3991318d-59c9-49be-865b-bb4777f7126a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_32ba9892-4470-45b5-b54d-a7426a9ed75b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_32ba9892-4470-45b5-b54d-a7426a9ed75b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_66962100-a39a-41ca-b499-660e2c968dfa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_66962100-a39a-41ca-b499-660e2c968dfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_eeacf0d4-2d1e-4413-8c7c-749eb184e018" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_eeacf0d4-2d1e-4413-8c7c-749eb184e018" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_GainLossOnModificationOfLease_6a2366d9-89df-4928-95ef-9ccfdca50165" xlink:href="fwrg-20230326.xsd#fwrg_GainLossOnModificationOfLease"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_fwrg_GainLossOnModificationOfLease_6a2366d9-89df-4928-95ef-9ccfdca50165" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_95ae0347-3206-4425-bf90-83e034ea6c60" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_95ae0347-3206-4425-bf90-83e034ea6c60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_f3f7ffad-dcb9-489a-b303-19dd53c08a5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_f3f7ffad-dcb9-489a-b303-19dd53c08a5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_e4f1ede5-af1c-4d7e-9a41-6e9b706984f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_e4f1ede5-af1c-4d7e-9a41-6e9b706984f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_c055eddd-b47b-4ad3-88e7-ed52cc3aadcb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_c055eddd-b47b-4ad3-88e7-ed52cc3aadcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_1291d24c-806e-4222-bc2a-9992465816a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_ShareBasedCompensation_1291d24c-806e-4222-bc2a-9992465816a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3121a03e-4c67-4c4a-97f5-ad6ed4d14678" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_NetIncomeLoss_3121a03e-4c67-4c4a-97f5-ad6ed4d14678" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_881ec946-4512-436d-b8cd-6148fa6e8d26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_881ec946-4512-436d-b8cd-6148fa6e8d26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainOnBusinessInterruptionInsuranceRecovery_d7582dae-7e48-4dee-8556-573404f83dc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainOnBusinessInterruptionInsuranceRecovery"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_GainOnBusinessInterruptionInsuranceRecovery_d7582dae-7e48-4dee-8556-573404f83dc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_a5983f03-d4b7-4dc8-9469-9cdbb5630d34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_167e09ad-6930-4b2b-9262-cb6de4c79bda" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_a5983f03-d4b7-4dc8-9469-9cdbb5630d34" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/RevenuesDetailofContractLiabilitiesDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#RevenuesDetailofContractLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/RevenuesDetailofContractLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_799abf9b-314c-427c-9fd2-e8609ea50bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_ContractWithCustomerLiabilityGiftCardRevenueCurrent_c88a611f-de2a-4495-b955-f5c5b86c3e64" xlink:href="fwrg-20230326.xsd#fwrg_ContractWithCustomerLiabilityGiftCardRevenueCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityCurrent_799abf9b-314c-427c-9fd2-e8609ea50bb5" xlink:to="loc_fwrg_ContractWithCustomerLiabilityGiftCardRevenueCurrent_c88a611f-de2a-4495-b955-f5c5b86c3e64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_ContractWithCustomerLiabilityFranchiseFeeRevenueCurrent_cd3cd72d-1e35-4b06-9482-56f202a90f03" xlink:href="fwrg-20230326.xsd#fwrg_ContractWithCustomerLiabilityFranchiseFeeRevenueCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityCurrent_799abf9b-314c-427c-9fd2-e8609ea50bb5" xlink:to="loc_fwrg_ContractWithCustomerLiabilityFranchiseFeeRevenueCurrent_cd3cd72d-1e35-4b06-9482-56f202a90f03" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/AccountsReceivableDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#AccountsReceivableDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/AccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossOtherCurrent_15eb9b21-2d5c-404d-b2d3-af2cb0db147a" xlink:href="fwrg-20230326.xsd#fwrg_AccountsReceivableAfterAllowanceForCreditLossOtherCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:to="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossOtherCurrent_15eb9b21-2d5c-404d-b2d3-af2cb0db147a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossFranchiseReceivablesCurrent_e2112c06-abbb-4aa8-9a6c-affd38345f5d" xlink:href="fwrg-20230326.xsd#fwrg_AccountsReceivableAfterAllowanceForCreditLossFranchiseReceivablesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:to="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossFranchiseReceivablesCurrent_e2112c06-abbb-4aa8-9a6c-affd38345f5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossRebatesCurrent_891ee55b-1458-4270-af5f-e9aa22428363" xlink:href="fwrg-20230326.xsd#fwrg_AccountsReceivableAfterAllowanceForCreditLossRebatesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:to="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossRebatesCurrent_891ee55b-1458-4270-af5f-e9aa22428363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossThirdPartyDeliveryProvidersCurrent_b588d172-6220-4813-a0a8-a2f9a50c543c" xlink:href="fwrg-20230326.xsd#fwrg_AccountsReceivableAfterAllowanceForCreditLossThirdPartyDeliveryProvidersCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:to="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossThirdPartyDeliveryProvidersCurrent_b588d172-6220-4813-a0a8-a2f9a50c543c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossGiftCardSalesCurrent_988b4cc6-2c46-4e9f-9c76-4ada9c7b2562" xlink:href="fwrg-20230326.xsd#fwrg_AccountsReceivableAfterAllowanceForCreditLossGiftCardSalesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_bd475a67-6acf-4bb0-8ef3-99e1882e20f1" xlink:to="loc_fwrg_AccountsReceivableAfterAllowanceForCreditLossGiftCardSalesCurrent_988b4cc6-2c46-4e9f-9c76-4ada9c7b2562" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/AccruedLiabilitiesDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#AccruedLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/AccruedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrent_7b00bad7-caea-4310-b564-8076970552da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SalesAndExciseTaxPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_SalesAndExciseTaxPayableCurrent_7b00bad7-caea-4310-b564-8076970552da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_c744a8e4-f8d1-44d0-9fb6-0ac08418d12f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_c744a8e4-f8d1-44d0-9fb6-0ac08418d12f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_50169230-11f7-4319-8fc1-90a26d3ab961" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_50169230-11f7-4319-8fc1-90a26d3ab961" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccruedLiabilitiesOperatingLeasesContingentRentalsCurrent_96481128-a0c7-4b7e-a142-d1fce001e978" xlink:href="fwrg-20230326.xsd#fwrg_AccruedLiabilitiesOperatingLeasesContingentRentalsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_fwrg_AccruedLiabilitiesOperatingLeasesContingentRentalsCurrent_96481128-a0c7-4b7e-a142-d1fce001e978" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedUtilitiesCurrent_18c222a5-c71a-4ea5-bb02-2437cf570eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedUtilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_AccruedUtilitiesCurrent_18c222a5-c71a-4ea5-bb02-2437cf570eb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionPayableCurrent_82d6803b-b37d-4215-893e-e04fb341f0e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_ConstructionPayableCurrent_82d6803b-b37d-4215-893e-e04fb341f0e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_0ba1e6c4-dc52-4b75-a49e-35271005025b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_InterestPayableCurrent_0ba1e6c4-dc52-4b75-a49e-35271005025b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccruedCommonAreaMaintenanceCurrent_a6aa015f-1b24-40b2-b4a3-2d96f3a5b2ad" xlink:href="fwrg-20230326.xsd#fwrg_AccruedCommonAreaMaintenanceCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_fwrg_AccruedCommonAreaMaintenanceCurrent_a6aa015f-1b24-40b2-b4a3-2d96f3a5b2ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_AccruedCreditCardFeesCurrent_dae0e3e4-3f3b-4736-9099-a89e0c227d46" xlink:href="fwrg-20230326.xsd#fwrg_AccruedCreditCardFeesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_fwrg_AccruedCreditCardFeesCurrent_dae0e3e4-3f3b-4736-9099-a89e0c227d46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedInsuranceCurrent_5c1bbe3b-4cb6-4dba-9c5d-3157cbc683f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedInsuranceCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_86d6599d-3e07-4f58-ac38-62f59536398c" xlink:to="loc_us-gaap_AccruedInsuranceCurrent_5c1bbe3b-4cb6-4dba-9c5d-3157cbc683f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/DebtLongTermDebtNetDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#DebtLongTermDebtNetDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/DebtLongTermDebtNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_50388267-31aa-485d-aee6-c2d0861473ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_34e95e22-1b26-46a4-b78b-e8a8a6352875" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_50388267-31aa-485d-aee6-c2d0861473ce" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_34e95e22-1b26-46a4-b78b-e8a8a6352875" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_d80dd975-5e60-4893-a024-7f2ee539bcd0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_50388267-31aa-485d-aee6-c2d0861473ce" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_d80dd975-5e60-4893-a024-7f2ee539bcd0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_8a82b531-a6c7-4245-880b-97282d6d57d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_50388267-31aa-485d-aee6-c2d0861473ce" xlink:to="loc_us-gaap_FinanceLeaseLiability_8a82b531-a6c7-4245-880b-97282d6d57d3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/DebtLongTermDebtNetDetails_1" xlink:type="simple" xlink:href="fwrg-20230326.xsd#DebtLongTermDebtNetDetails_1"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/DebtLongTermDebtNetDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_97685aa2-f46a-412f-9e15-4f8ff66167ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_c7ca892c-5940-4b49-9595-84fdd713d69c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_97685aa2-f46a-412f-9e15-4f8ff66167ce" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_c7ca892c-5940-4b49-9595-84fdd713d69c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_9f8b2ba1-22dc-4689-a27e-2cdab758c4e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_97685aa2-f46a-412f-9e15-4f8ff66167ce" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_9f8b2ba1-22dc-4689-a27e-2cdab758c4e4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/LeasesLeaseAssetsandLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#LeasesLeaseAssetsandLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/LeasesLeaseAssetsandLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_LeaseLiability_f42537f5-e70b-4e41-9857-e43a3f6107f6" xlink:href="fwrg-20230326.xsd#fwrg_LeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_0ff58309-e92e-45fc-b62d-48ea33d7e48d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseLiability_f42537f5-e70b-4e41-9857-e43a3f6107f6" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_0ff58309-e92e-45fc-b62d-48ea33d7e48d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_1145a1d1-ca72-4aa0-a560-a75c3f2fe1d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseLiability_f42537f5-e70b-4e41-9857-e43a3f6107f6" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_1145a1d1-ca72-4aa0-a560-a75c3f2fe1d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c74f8439-fdab-44bd-a968-601f0a1f958e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseLiability_f42537f5-e70b-4e41-9857-e43a3f6107f6" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c74f8439-fdab-44bd-a968-601f0a1f958e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0d79d08c-dc33-4bea-b931-f93436f5b305" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseLiability_f42537f5-e70b-4e41-9857-e43a3f6107f6" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0d79d08c-dc33-4bea-b931-f93436f5b305" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_LeaseRightOfUseAsset_c2f55fa9-7cfc-4361-8c77-c2f030fe192b" xlink:href="fwrg-20230326.xsd#fwrg_LeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_d84fc89b-a8f9-4296-8929-f085b190a474" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseRightOfUseAsset_c2f55fa9-7cfc-4361-8c77-c2f030fe192b" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_d84fc89b-a8f9-4296-8929-f085b190a474" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_a30d5ef0-3757-4227-9961-385d3304f0ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_fwrg_LeaseRightOfUseAsset_c2f55fa9-7cfc-4361-8c77-c2f030fe192b" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_a30d5ef0-3757-4227-9961-385d3304f0ef" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#LeasesComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_a5ec2b33-9e85-4467-b575-f417297af5be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_f3b5bbfb-3978-488d-b63f-876e7bc009b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a5ec2b33-9e85-4467-b575-f417297af5be" xlink:to="loc_us-gaap_VariableLeaseCost_f3b5bbfb-3978-488d-b63f-876e7bc009b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_b6cb52c3-49da-4bf3-8f48-5491a340c281" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_a5ec2b33-9e85-4467-b575-f417297af5be" xlink:to="loc_us-gaap_OperatingLeaseCost_b6cb52c3-49da-4bf3-8f48-5491a340c281" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_3fe5361c-33ba-43c0-8ce1-55d12cfd59a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_a5ec2b33-9e85-4467-b575-f417297af5be" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_3fe5361c-33ba-43c0-8ce1-55d12cfd59a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_8c317359-2dae-45e2-a56a-dd35ccf203b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a5ec2b33-9e85-4467-b575-f417297af5be" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_8c317359-2dae-45e2-a56a-dd35ccf203b8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/LeasesOperatingandFinanceLeaseMaturityDetails" xlink:type="simple" xlink:href="fwrg-20230326.xsd#LeasesOperatingandFinanceLeaseMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/LeasesOperatingandFinanceLeaseMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_5f62ea06-aee2-48d3-8af2-7dc199d15dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_17f68ac7-36e1-425f-a827-a49ba70da184" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_5f62ea06-aee2-48d3-8af2-7dc199d15dbc" xlink:to="loc_us-gaap_FinanceLeaseLiability_17f68ac7-36e1-425f-a827-a49ba70da184" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_7ba931b8-204c-4ba5-964c-0087dd7e24ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_5f62ea06-aee2-48d3-8af2-7dc199d15dbc" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_7ba931b8-204c-4ba5-964c-0087dd7e24ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f24c60ec-a69d-48e8-b2b1-2e52d90c8004" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_c07df42a-1fe0-4f2d-a5d7-97ee1b99fa20" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_f24c60ec-a69d-48e8-b2b1-2e52d90c8004" xlink:to="loc_us-gaap_OperatingLeaseLiability_c07df42a-1fe0-4f2d-a5d7-97ee1b99fa20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_797c0e15-82e0-4c44-a48e-2ea394b8d981" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_f24c60ec-a69d-48e8-b2b1-2e52d90c8004" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_797c0e15-82e0-4c44-a48e-2ea394b8d981" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.firstwatch.com/role/LeasesOperatingandFinanceLeaseMaturityDetails_1" xlink:type="simple" xlink:href="fwrg-20230326.xsd#LeasesOperatingandFinanceLeaseMaturityDetails_1"/>
  <link:calculationLink xlink:role="http://www.firstwatch.com/role/LeasesOperatingandFinanceLeaseMaturityDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d1ab89b5-b1c3-472f-8beb-d36d22523682" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d1ab89b5-b1c3-472f-8beb-d36d22523682" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_FinanceLeaseLiabilityToBePaidAfterYearFour_026a0b29-5ec5-4e69-b85a-fdd1929701b6" xlink:href="fwrg-20230326.xsd#fwrg_FinanceLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_fwrg_FinanceLeaseLiabilityToBePaidAfterYearFour_026a0b29-5ec5-4e69-b85a-fdd1929701b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_1fe9d31f-efc8-48b5-8d49-40a298d73a03" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_1fe9d31f-efc8-48b5-8d49-40a298d73a03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_15d9f75d-5c66-4bff-8520-27b3e44c9e01" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_15d9f75d-5c66-4bff-8520-27b3e44c9e01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_4ff913e2-26f4-4e4b-ad16-b8bb564377ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_4ff913e2-26f4-4e4b-ad16-b8bb564377ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_0cf210cb-ec61-40e1-910b-1fd660238c60" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_98ba998f-b5a2-41ce-9af4-9989319a2457" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_0cf210cb-ec61-40e1-910b-1fd660238c60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_44ec4a92-8fc6-432b-ad86-02dcd376c8fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_44ec4a92-8fc6-432b-ad86-02dcd376c8fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_e4c79636-f558-432d-8e75-edd19dca381d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_e4c79636-f558-432d-8e75-edd19dca381d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_f84df59c-41e4-4127-adf5-2b9b0812f481" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_f84df59c-41e4-4127-adf5-2b9b0812f481" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_fwrg_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_f404ea9b-d686-4b18-9803-3b6c28fd6cb5" xlink:href="fwrg-20230326.xsd#fwrg_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_fwrg_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_f404ea9b-d686-4b18-9803-3b6c28fd6cb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_9301501d-8b17-467a-bce7-cf216ebab5e7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_9301501d-8b17-467a-bce7-cf216ebab5e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_695eb778-fd6e-4957-a751-6a29254e06e7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_352e2e72-3996-49e4-b94a-c25548bcbcb7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_695eb778-fd6e-4957-a751-6a29254e06e7" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
