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Business-Trip Allowance Calculator

Compare entered company or government allowance limits with your actual trip costs.

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Editable assumptionsU.S.-first planning toolReviewed August 2026

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What this tool can tell you

Uses the current July–December 2026 IRS business mileage rate by default. Accountable-plan substantiation, GSA locality rates, employer policy, overnight-travel rules, and tax eligibility must be checked.

Important: This is a general educational planning tool, not payroll, tax, benefits, employment, investment, or legal advice. It does not create an entitlement, determine classification or enforceability, calculate a filing position, or replace current government guidance, plan documents, written agreements, or qualified advice for your facts and jurisdiction.

Primary reference: IRS standard mileage rates. Rules, rates, programs, thresholds, and forms can change; verify them before acting.