Simple Federal Tax Calculator (Tax Year 2026)
A fast 2026 federal income tax estimate from your income and filing status, using the 2026 standard deduction and 10–37% brackets.
How the simple federal tax calculator (tax year 2026) works
It gives a fast 2026 federal estimate for a standard-deduction filer: it subtracts the $16,100 single (or $32,200 joint) standard deduction from your income and applies the 2026 tax brackets to show your tax, effective rate and marginal rate.
Worked example: with taxable wages / income of $60,000, the simple federal tax calculator (tax year 2026) shows estimated 2026 federal tax of $5,020.
- Taxable income
- $43,900
- Federal tax
- $5,020
- Effective rate
- 8.4%
- Marginal rate
- 12%
The formula
Taxable income = income − 2026 standard deduction; tax from the 2026 brackets; effective rate = tax ÷ income.
Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender, plan administrator or advisor.
Questions about the simple federal tax calculator (tax year 2026)
Who is this 2026 estimate for?
Filers who take the standard deduction and want a quick 2026 federal tax figure without entering itemized deductions, adjustments or withholding.
What is the 2026 top tax rate?
It is 37%, which applies to taxable income above $640,600 for single filers and above $768,700 for married couples filing jointly.
Does it include FICA or state tax?
No — it estimates federal income tax only. Social Security and Medicare (FICA) and any state income tax are charged separately.
Is the Simple Federal Tax Calculator (Tax Year 2026) free to use?
Yes. Every calculator on FinCalculators is completely free, with no sign-up, login or paywall. You can run as many scenarios as you like.
- 2026 & 2025 Federal Income Tax Brackets — All seven rates and thresholds by filing status, 2026 and 2025, plus capital-gains breakpoints.
- 2026 & 2025 Standard Deduction — Standard deduction by filing status for 2026 and 2025, plus the 65+/blind add-on.