Last updated March 2026

Federal Income Tax Calculator 2026

Estimate your 2026 federal income tax using current IRS tax brackets. See your effective tax rate, marginal rate, and full bracket breakdown.

$
$

How Federal Income Tax Works in 2026

The United States uses a progressive tax system, meaning different portions of your income are taxed at different rates. This is often misunderstood — being in the "22% tax bracket" does not mean all your income is taxed at 22%. It means only the income above the 22% threshold is taxed at that rate.

2026 Federal Tax Brackets

For the 2026 tax year, the IRS adjusted the brackets upward for inflation:

Single Filers

Taxable IncomeTax RateTax Owed
$0 – $11,92510%Up to $1,192.50
$11,926 – $48,47512%Up to $4,386
$48,476 – $103,35022%Up to $12,072.50
$103,351 – $197,30024%Up to $22,548
$197,301 – $250,52532%Up to $17,030.40
$250,526 – $626,35035%Up to $131,529.25
Over $626,35037%37% on every dollar above

Married Filing Jointly

Taxable IncomeTax Rate
$0 – $23,85010%
$23,851 – $96,95012%
$96,951 – $206,70022%
$206,701 – $394,60024%
$394,601 – $501,05032%
$501,051 – $751,60035%
Over $751,60037%

Standard Deduction for 2026

Before applying tax brackets, you subtract your deductions from gross income to get taxable income. The standard deduction for 2026 is:

If your itemized deductions (mortgage interest, state taxes, charitable gifts) exceed the standard deduction, itemizing saves you more money. For most people, the standard deduction wins.

Marginal vs. Effective Tax Rate — A Key Distinction

Consider a single filer earning $80,000:

This distinction matters for financial planning. Many people avoid raises or income because they fear "going into a higher tax bracket" — but only the income above the threshold gets taxed at the higher rate.

Tax Credits vs. Tax Deductions

These are not the same thing. Understanding the difference can save you money:

Common federal tax credits include the Child Tax Credit (up to $2,000 per child), the Earned Income Tax Credit (for low-to-moderate income earners), the American Opportunity Credit (for college tuition), and the Saver's Credit (for retirement contributions).

What Is NOT Included in This Calculator

This tool estimates your federal income tax only. Your total tax obligation typically includes:

How to Reduce Your Federal Income Tax

Legal tax reduction strategies include:

When to Use This Calculator

This federal income tax estimator is most useful for:

For precise filing, use IRS Form 1040 or tax software. This calculator provides a close estimate for planning purposes but does not capture every tax situation.

Frequently Asked Questions

What are the 2026 federal income tax brackets?

For single filers: 10% up to $11,925; 12% up to $48,475; 22% up to $103,350; 24% up to $197,300; 32% up to $250,525; 35% up to $626,350; 37% above $626,350. Married filing jointly thresholds are roughly double. These are marginal rates applied only to income within each bracket.

What is the difference between marginal and effective tax rate?

Your marginal rate is the tax rate on your last dollar of income — the highest bracket you reach. Your effective rate is total taxes divided by total income. Because the U.S. system is progressive, your effective rate is always lower. A person in the 22% bracket might have an effective rate of only 12–14%.

What is the standard deduction for 2026?

$15,000 for single filers, $30,000 for married filing jointly, and $22,500 for heads of household. About 90% of filers take the standard deduction. You should only itemize if your deductible expenses (mortgage interest, state taxes capped at $10,000, charitable donations) exceed these amounts.