Bonus Tax Calculator
Calculate taxes on bonus pay using the flat 22% federal rate (37% over $1M) or aggregate method. Includes state supplemental wage tax estimates.
Free Taxes Calculators
6 toolsFICA, federal withholding, state tax, and bonus tax calculators. Browse our free taxes tools below — no sign-up required.
Federal Withholding Calculator
Estimate federal income tax withholding using IRS Pub 15-T percentage method with W-4 inputs for filing status and adjustments.
Local Tax Calculator
Calculate local income tax withholding by applying your municipality's tax rate to taxable wages for cities and counties.
State Withholding Calculator
Estimate state income tax withholding based on wages, filing status, and state-specific tax rates for all 50 U.S. states.
Supplemental Wage Tax Calculator
Calculate federal and state taxes on supplemental wages including bonuses, commissions, severance, and overtime. Federal flat 22% or 37% over $1M.
W-2 Box Calculator
Calculate W-2 box values: Box 1 federal wages, Box 3 Social Security wages, Box 5 Medicare wages, Box 12 codes (D, DD, W, C), and Box 13 flags.