Enter values and select Calculate to see your result.
Estimate 2026 US federal income tax for single or jointly filing taxpayers
2026 ordinary-income estimate using the basic standard deduction. Excludes credits, capital gains, payroll/state taxes, additional deductions and special tax rules. Rates: IRS tax-year 2026 inflation adjustments.
How to use the Income Tax Calculator
Estimate 2026 US federal ordinary income tax for single or married-filing-jointly status with the basic standard deduction.
- Enter annual ordinary income.
- Choose filing status.
- Calculate estimated federal tax and effective rate.
Income Tax Calculator formula
Tax is calculated progressively across applicable brackets after the basic standard deduction.
Worked example
Inputs: $75,000 ordinary income with Single filing status for tax year 2026.
What to expect: The result estimates federal income tax and excludes state, payroll, credits, capital gains and extra deductions.
How to read your result
A marginal rate applies only to income inside that bracket; effective rate is total tax divided by gross income.
Frequently asked questions
Does this calculate my full bill?
No. It excludes credits, payroll and state taxes, capital gains and additional deductions.
Can I use another tax year?
No. Brackets and deductions change; match the year being estimated.