What is Tax Bracket Calculator?
Tax Bracket Calculator — A Tax Bracket Calculator determines how much US federal income tax you owe by applying the 7 progressive tax rates (10% to 37%) to your taxable income after deductions, showing both the marginal rate on your last dollar earned and the effective rate across all income.
This calculator applies the US federal tax brackets for 2025 and 2026 to your income. Enter your gross income, filing status, and deduction preference to see a complete tax breakdown. The tool shows total federal tax owed, your effective and marginal tax rates, after-tax income, and a visual bracket-by-bracket breakdown showing exactly how much is taxed at each rate.