Tax Bracket Calculator
Enter your income and filing status to see your marginal rate, effective rate, and a full 2024 federal bracket breakdown.
Enter Your Income Details
This calculator estimates federal income tax only. State taxes, FICA, and credits are not included.
Tax Summary
| Item | Amount |
|---|---|
| Gross Income | — |
| Pre-tax Deductions | — |
| Standard / Itemized Deduction | — |
| Taxable Income | — |
| Total Federal Income Tax | — |
| Effective Tax Rate | — |
| Marginal Bracket | — |
Bracket-by-Bracket Breakdown
| Rate | Income in Bracket | Tax Owed |
|---|
Understanding Tax Brackets
Marginal vs. Effective Rate
Your marginal rate is the tax rate on your last dollar of taxable income — the highest bracket you reach. Your effective rate is your average: total tax divided by gross income. Most people's effective rate is significantly lower than their marginal rate.
2024 Standard Deduction
The IRS standard deduction for 2024 reduces your taxable income before brackets apply. Single / MFS: $14,600. Married Filing Jointly: $29,200. Head of Household: $21,900. Choose itemized only if your itemizable expenses exceed these amounts.
Pre-tax Deductions
Contributions to a traditional 401(k), HSA, or FSA reduce your gross income before federal tax is calculated. A $6,000 401(k) contribution can move a meaningful amount of income into a lower bracket, saving real tax dollars.
How Tax Brackets Work
The U.S. uses a progressive (marginal) system. Only the income that falls within a bracket is taxed at that bracket's rate. Being in the 22% bracket does not mean you pay 22% on all your income — just on the portion that exceeds the 12% threshold.
Frequently Asked Questions
What is a marginal tax rate?
Your marginal tax rate is the rate applied to the last dollar of your taxable income — the highest bracket you reach. For example, if your taxable income is $50,000 as a single filer, your marginal rate is 22%, but only the income above $47,150 is taxed at 22%.
What is the difference between effective and marginal tax rate?
The marginal rate is the rate on your highest bracket of income. The effective rate is the average — total tax paid divided by gross income. Because lower brackets apply to lower income portions, the effective rate is always lower than or equal to the marginal rate.
What is the 2024 standard deduction?
For 2024: Single or Married Filing Separately — $14,600; Married Filing Jointly — $29,200; Head of Household — $21,900. These deductions reduce your taxable income before brackets are applied.
How can I lower my taxable income?
Common strategies include contributing to a traditional 401(k) or IRA, funding an HSA or FSA, itemizing deductions if they exceed the standard deduction amount, and utilizing above-the-line deductions like student loan interest or alimony (pre-2019 agreements).
Do I pay 22% on all my income if I'm in the 22% bracket?
No. The U.S. uses a progressive (marginal) tax system. Only the income that falls within the 22% bracket is taxed at 22%. Income in lower brackets is taxed at 10% and 12% regardless of which bracket you ultimately reach.