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Bonus Tax Calculator

Separate what may be withheld from what your final tax return may ultimately owe.

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Editable assumptionsU.S.-first planning toolReviewed August 2026

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What this tool can tell you

Models the optional 22% federal supplemental-wage withholding method below the $1 million threshold. Aggregate payroll methods and final tax liability can differ.

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 Publication 15 for 2026. Rules, rates, programs, thresholds, and forms can change; verify them before acting.