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Tax Bracket Calculator
US 2024 federal tax brackets — marginal and effective rates.
Enter values to see your result
Frequently asked questions
Marginal vs effective rate?
Marginal = rate on your last dollar. Effective = average rate across your whole income. Effective is always lower than marginal because brackets are progressive.
Does moving into a higher bracket hurt me?
No — only income ABOVE the bracket threshold is taxed at the higher rate. Earning $1 more never costs you more than that $1.
When do brackets adjust?
Annually for inflation. 2024 brackets shown here; 2025 will shift ~3% higher. Major restructuring requires Congressional action.
What about AMT?
Alternative Minimum Tax runs parallel. You owe the higher of regular tax or AMT. AMT mostly affects high earners with many itemized deductions.