Federal Income Tax Calculator
Estimate your federal income tax based on filing status, income, deductions, and credits. This calculator uses a simplified progressive tax bracket model for the 2024 tax year.
Published by:
isCalculator Editorial Team
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How to use this tool?
Follow these steps to estimate your 2024 federal income tax:
- Select Filing Status – Choose Single, Married Filing Jointly, or Head of Household.
- Enter Annual Income – Your total gross income for the year (e.g., 75000).
- Enter Total Deductions – Use the standard deduction (e.g., $13,850 for single) or your itemized deductions.
- Enter Tax Credits – Non-refundable credits like the Child Tax Credit (enter 0 if none).
- Click "Calculate Tax" – The calculator shows your estimated tax, taxable income, and tax before credits.
How it works: Taxable income = Income − Deductions. Tax is computed using 2024 progressive brackets, then credits are subtracted. Final tax is never negative.
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Frequently Asked Questions
It uses the 2024 federal income tax brackets for Single, Married Filing Jointly, and Head of Household statuses.
No, credits are treated as non-refundable in this calculator, meaning they can reduce your tax to zero but not below.
If deductions exceed income, taxable income is set to $0, resulting in no tax.
