What are the 2026 federal income tax brackets?

Federal income tax rates remain 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The bracket thresholds are adjusted upward for inflation pursuant to IRS Revenue Procedure 2025-32.

What is the 2026 standard deduction for Single and Married filers?

Under IRS Rev. Proc. 2025-32, the standard deduction for 2026 is $16,100 for Single filers and $32,200 for Married Filing Jointly.

What is the difference between marginal and effective tax rates?

Your marginal rate is the tax bracket applied to your last dollar earned. Your effective tax rate is the total tax paid divided by your total gross income.

Finance & Wealth•United States•USD

Federal Income Tax Calculator

Model your federal tax liability under official 2026 inflation-adjusted brackets and evaluate your marginal versus effective tax rates.

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Calculation Methodology

Computed using statutory tax rates (10% to 37%) according to IRS Rev. Proc. 2025-32.

Displays federal taxable income, progressive tax per bracket, total federal liability, and average effective tax rate.

Indicative pedagogical calculation aligned with statutory benchmarks in United States.