Federal Income Tax Calculator 2026

Estimate your US federal income tax using IRS 2026 brackets โ€” enter income, filing status, and deductions for instant results.

๐Ÿ›๏ธ Federal Income Tax Calculator

2026 Tax Year โ€” IRS Official Brackets

How to Use This Calculator

Calculate your 2026 federal tax in under 60 seconds.

1

Enter Gross Annual Income

Total income before deductions โ€” wages, freelance, investments, etc.

2

Select Filing Status

Single, Married Jointly, Married Separately, or Head of Household.

3

Choose Deductions

Use standard ($16,100 single / $32,200 MFJ) or enter itemized deductions.

4

Add Withheld Tax & Credits (Optional)

Enter W-2 Box 2 amount and credits to see refund vs. amount owed.

5

Click Calculate

See tax, effective rate, bracket breakdown, and refund instantly.

Federal Tax Formula

The US uses a progressive tax system โ€” different rates on different income portions.

Taxable Income = Gross Income โˆ’ Standard/Itemized Deduction
Federal Tax = ฮฃ (bracket taxable ร— bracket rate)
Effective Rate = Total Tax รท Gross Income ร— 100
Refund = Withheld โˆ’ (Tax โˆ’ Credits)

2026 Tax Brackets โ€” Single Filer

RateIncome Range
10%$0 โ€“ $11,600
12%$11,600 โ€“ $47,150
22%$47,150 โ€“ $100,525
24%$100,525 โ€“ $191,950
32%$191,950 โ€“ $243,725
35%$243,725 โ€“ $609,350
37%$609,350+

Worked Example โ€” $75,000 Income (Single)

Gross Income: $75,000  |  Deduction: โˆ’$16,100  |  Taxable: $60,400

10% ร— $11,600 = $1,160  +  12% ร— $35,550 = $4,266  +  22% ร— $13,250 = $2,915

Total Federal Tax: $8,341  |  Effective Rate: 11.1%

Frequently Asked Questions

Effective vs. marginal rate โ€” what's the difference?
+

Marginal rate = rate on your last dollar. Effective rate = total tax รท total income. Effective is always lower in a progressive system.

Standard or itemized deductions?
+

Take whichever is higher. Standard deduction 2026: $16,100 (single), $32,200 (MFJ). If mortgage interest + SALT + charity exceeds this, itemize.

Does this include Social Security / Medicare?
+

No โ€” this is federal income tax only. Use our Paycheck Calculator for FICA taxes too.

When is the 2026 tax return due?
+

April 15, 2025. Extensions to October 15, 2025 are available but taxes owed are still due April 15.

Related Calculators