Estimate your annual tax obligations effortlessly using our free US income tax calculator. Simply enter your gross earnings below to calculate your federal tax liability, effective tax rate, and net take-home pay based on the official 2026 single-filer tax brackets.
Calculated locally in your browser — nothing is sent to our server.
Assumptions & limitations
- Single filing status only — married filing jointly, married filing separately, and head of household are not modeled.
- Federal income tax only — does not include state income tax, Social Security, or Medicare payroll taxes.
- Does not model the Alternative Minimum Tax (AMT) or any credits (e.g. Child Tax Credit, EITC).
Disclaimer: Informational estimate only — not tax advice. Tax rules change and individual circumstances vary; consult a qualified tax professional or your country's official tax authority before making decisions.
How to Use the US Income Tax Calculator
Calculating your federal tax liability takes only a few simple steps. Follow this quick guide to estimate your annual take-home pay:
- Enter Your Gross Income: First, type your total annual salary or earnings into the input field above.
- Review Your Tax Brackets: Next, the tool automatically subtracts the standard deduction to find your taxable income.
- Analyze Your Breakdown: Finally, review your estimated federal tax payout, effective tax rate, and net income.
How Federal Progressive Taxes Work
The United States operates a progressive tax system. Because of this structure, the government taxes higher portions of your income at higher percentage rates. Furthermore, tax brackets apply only to the specific dollar portion within each margin rather than your whole salary.
For example, this US income tax calculator applies the standard deduction for single filers first. After that step, it calculates your remaining taxable income across the progressive brackets (10% through 37%). According to guidelines from the Internal Revenue Service (IRS), understanding your marginal bracket helps you manage financial planning effectively.
In addition, our system processes all calculations locally inside your browser. Therefore, we never upload, store, or log your confidential income numbers on our servers. For more financial tools, explore our Free Online Tools Hub or check our Privacy Policy.
FAQ
Does this include state income tax?
No — this calculates federal income tax only. Most US states also charge their own income tax, which this tool does not include.
Does this cover married filing jointly?
No — this tool models single filing status only. Married filing jointly, married filing separately, and head of household use different brackets and standard deductions.