How to Use the Effective Tax Rate Calculator
People often describe themselves as being "in the 24% bracket," but that doesn't mean 24% of their entire income goes to taxes. The U.S. federal income tax is progressive, meaning each dollar of income is taxed at the rate for the bracket it falls into, not your top rate. Your effective tax rate — total tax divided by taxable income — is almost always lower than your marginal bracket.
This calculator applies the 2024 IRS tax brackets for your filing status (Single or Married Filing Jointly) to your taxable income, calculating tax owed bracket by bracket. It then shows both your marginal rate (the rate on your last dollar earned) and your effective rate (your true average burden), so you can see how much lower your real rate is than the bracket you're often quoted.
This tool calculates federal income tax only, based on the standard 2024 brackets before credits. It does not include state income tax, the Additional Medicare Tax, Net Investment Income Tax, or any tax credits you may qualify for, all of which can change your final bill. Use tax software or a professional for your actual filing.
Frequently Asked Questions
Your marginal bracket only applies to the last dollar you earn. Because the U.S. uses a progressive system, lower brackets tax your earlier income at lower rates, so your blended effective rate is always lower than your top marginal bracket.
No. Taxable income is your gross income minus adjustments and either the standard deduction or itemized deductions. Use the taxable income figure from Form 1040, not your gross salary, for an accurate result.