Federal Income Tax Calculator
Estimate your 2024 federal taxes including income tax, Social Security, and Medicare. See your effective rate and take-home pay.
Leave blank to use the standard deduction ($14,600).
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Understanding Federal Taxes
The US uses a progressive tax system: your income is divided into brackets, and each bracket is taxed at a different rate. This means earning more never results in less take-home pay.
2024 Tax Brackets (Single)
10% on income up to $11,600
12% on $11,601 - $47,150
22% on $47,151 - $100,525
24% on $100,526 - $191,950
32% on $191,951 - $243,725
35% on $243,726 - $609,350
37% on income above $609,350
FAQ
What is the difference between marginal and effective tax rate?
Your marginal tax rate is the rate on your last dollar of income (your highest bracket). Your effective tax rate is your total tax divided by total income — it's always lower because lower brackets apply to the first portions of your income.
Should I itemize or take the standard deduction?
Take the standard deduction ($14,600 single / $29,200 married in 2024) unless your itemized deductions (mortgage interest, state taxes, charitable giving, etc.) exceed that amount.
What are FICA taxes?
FICA includes Social Security tax (6.2% on income up to $168,600) and Medicare tax (1.45% on all income, plus 0.9% surtax on income above $200K single / $250K married). These are separate from income tax.