Income Tax Calculator
Estimate your US federal income tax based on gross income, filing status, and deductions.
2024 Federal Tax Estimate
How to Use the Income Tax Calculator
Enter your gross income and filing status to estimate your 2024 federal income tax. This uses the standard deduction and does not account for credits, state tax, or itemised deductions.
Formula
Federal tax is calculated by applying progressive tax rates to taxable income (gross income minus standard deduction) across the 2024 tax brackets.
Frequently Asked Questions
Is this my actual tax owed?
This is an estimate of federal income tax using standard deduction. Your actual tax may differ based on credits, deductions, other income, and state taxes.
What is a marginal tax rate?
Your marginal rate is the rate applied to your last dollar of income. An effective rate is total tax divided by total income — always lower than the marginal rate.
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