Calculators

Federal Income Tax Calculator: Estimate Your Tax Bill

March 5, 2026

Federal Income Tax Calculator Guide

Understanding how federal income tax is calculated helps you plan your finances and ensure correct withholding.

How Federal Income Tax Works

The US uses a progressive tax system — you pay different rates on different portions of your income.

2026 Tax Brackets — Single

Taxable Income	Rate	Tax on Bracket
$0 - $11,600	10%	$1,160
$11,601 - $47,150	12%	$4,266
$47,151 - $100,525	22%	$11,742
$100,526 - $191,950	24%	$21,942
$191,951 - $243,725	32%	$16,568
$243,726 - $609,350	35%	$127,969
Over $609,350	37%	—

Calculation Example

Single filer, $75,000 gross income

Step 1: Subtract standard deduction

$75,000 - $14,600 = $60,400 taxable income

Step 2: Apply brackets

Bracket	Income in Bracket	Tax
10%	$11,600	$1,160.00
12%	$35,550	$4,266.00
22%	$13,250	$2,915.00
Total	$8,341.00

Effective tax rate: $8,341 ÷ $75,000 = 11.12%

Marginal tax rate: 22%

Standard Deduction (2026)

Filing Status	Amount
Single	$14,600
Married Filing Jointly	$29,200
Head of Household	$21,900
Married Filing Separately	$14,600

Reduce Your Tax Bill

Maximize retirement contributions (401k, IRA)
Use HSA/FSA accounts for medical expenses
Claim all eligible credits (child, education, earned income)
Itemize deductions if they exceed standard deduction
Time income and deductions strategically

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