Income Tax Calculator

See your estimated federal income tax, marginal rate, effective rate and tax by bracket.

How this calculator works

Taxable income is income minus pre-tax deductions and the larger of the standard or itemized deduction. Tax is applied by 2026 bracket, then child tax credits are subtracted.

Frequently asked questions

What is the difference between marginal and effective tax rate?

Your marginal rate applies to your last dollar. Your effective rate is total tax divided by total income.

Figures use 2026 US federal tax parameters. Results are estimates only.