Income Tax Calculator
Estimate your income tax based on annual salary, filing status, and deductions. See your effective tax rate, marginal rate, total tax, and take-home pay. Uses 2026 US federal tax brackets. Free and private.
How the Income Tax Calculator Works
This calculator uses the US federal progressive tax system. Your income is taxed in brackets — not all at one rate. The first portion of your income is taxed at the lowest rate (10%), and higher portions are taxed at progressively higher rates up to 37%. Deductions reduce your taxable income, and credits directly reduce your tax bill.
Tax Calculation
Taxable Income = Gross Income − Deductions
Tax = Sum of (each bracket amount × bracket rate)
Effective Rate = Total Tax ÷ Gross Income × 100
Understanding Tax Brackets
A common misconception is that moving into a higher tax bracket means ALL your income is taxed at the higher rate. In reality, only the income within each bracket is taxed at that bracket's rate. If you earn $50,000, only the income above $44,725 is taxed at 22% — the rest is taxed at lower rates.
Standard Deduction vs Itemized
The standard deduction for 2026 is $14,600 (single) or $29,200 (married filing jointly). You should itemize only if your total deductions (mortgage interest, state taxes, charitable donations, medical expenses) exceed the standard deduction. Most taxpayers benefit from the standard deduction.
How to Reduce Your Tax Bill
Maximize retirement contributions (401k, IRA), use health savings accounts (HSA), claim all eligible credits (child tax credit, education credits), contribute to charity, and ensure you are using the correct filing status. These legal strategies can significantly reduce your effective tax rate.
Tips for Getting Accurate Results
For the most accurate results, use up-to-date numbers from official sources. Double-check your inputs before calculating — small errors in the starting values can lead to significantly different outputs. If you are comparing scenarios, keep all variables the same except the one you are testing. Save or screenshot your results for future reference. This calculator uses standard formulas and is designed to give you a reliable quick estimate, though professional advice may be needed for complex situations.
Frequently Asked Questions
What tax brackets are used?
This calculator uses 2026 US federal income tax brackets: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. State taxes are not included — they vary by state.
What is the standard deduction for 2026?
The standard deduction is $14,600 for single filers, $29,200 for married filing jointly, and $21,900 for head of household. These amounts are pre-filled but can be changed for itemized deductions.
What is effective vs marginal tax rate?
Your marginal rate is the rate on your last dollar of income. Your effective rate is your total tax divided by total income — always lower than your marginal rate due to progressive brackets.
Does this include state taxes?
No. This calculator estimates federal income tax only. State income tax rates vary from 0% (Texas, Florida) to over 13% (California). Add your state rate for a complete picture.
Are Social Security and Medicare included?
No. FICA taxes (Social Security 6.2% + Medicare 1.45% = 7.65%) are separate from income tax. Your actual total tax burden includes both federal income tax and FICA.
Is my data private?
Yes. All calculations run in your browser. No income or tax data is sent to any server.