How it works
Estimate 2026 U.S. federal income tax using the entered gross income, filing status, standard deduction, and progressive tax brackets.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
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?income=Annual Income ($)Number · Optional · Default: 75,000
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?filingStatus=Filing StatusText · Optional · Default: single
Outputs
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resultResultText · Primary output
result contains the calculator’s complete rendered result area, including its visible result cards, tables, charts, and messages.
Formula
- Taxable income = max(gross income − standard deduction, 0)
- Tax is calculated one bracket at a time.
- Effective rate = estimated federal income tax ÷ gross income
Included
- 2026 single and married-filing-jointly standard deductions.
- 2026 ordinary-income brackets for those two filing statuses.
Not included
Credits, itemized deductions, qualified business income, capital gains, self-employment tax, additional deductions, state tax, local tax, and many special rules are excluded.
Use
Treat the result as a planning estimate, not a filed return or tax advice. Confirm current rules and your facts with official guidance or a qualified tax professional.