Tax Bracket Calculator
Look up your 2024 federal marginal tax bracket and see a line-by-line breakdown of tax owed at each bracket.
Tax Bracket Calculator
Calculator
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Formula: Progressive brackets: 10%, 12%, 22%, 24%, 32%, 35%, 37%
Worked example — $13,753 (16.2% effective)
Formula
Progressive brackets: 10%, 12%, 22%, 24%, 32%, 35%, 37%
US federal income tax is progressive — each bracket rate applies only to income within that range, not your entire income.
Worked Examples
Example 1: $85K single filer
Problem:$85,000 taxable income, single
Solution:10%×11600 + 12%×35550 + 22%×37850 = 1160+4266+8327 = $13,753
Result:$13,753 (16.2% effective)
Frequently Asked Questions
What is the difference between marginal and effective tax rate?
Marginal rate is the rate on your last dollar of income. Effective rate is total tax / total income. Your effective rate is always lower than your marginal rate because of progressive brackets.
Does moving into a higher tax bracket mean I pay more tax on all my income?
No — this is a very common misconception. The US uses a progressive tax system where each bracket rate applies only to the income within that range, not to your entire income. For example, a single filer earning $50,000 in 2024 pays 10% on the first $11,600, 12% on the next $35,550, and only 22% on the final $2,850 — not 22% on all $50,000.
What is the difference between taxable income and gross income?
Gross income is all income before any deductions. Adjusted gross income (AGI) subtracts above-the-line deductions like IRA contributions, student loan interest, and self-employment tax. Taxable income subtracts the standard deduction (or itemized deductions if higher) from AGI. In 2024, the standard deduction is $14,600 for single filers and $29,200 for married filing jointly. Tax Bracket Calculator uses taxable income as input.
How often do federal tax brackets change?
Tax brackets are adjusted annually for inflation under a process called indexing. The Tax Cuts and Jobs Act of 2017 (TCJA) established the current bracket structure with rates of 10%, 12%, 22%, 24%, 32%, 35%, and 37%. Many TCJA provisions are set to expire after 2025, which could revert to higher pre-TCJA rates unless Congress extends them. Always verify current-year brackets with IRS Publication 15-T or a tax professional.
How are long-term capital gains taxed compared with these ordinary brackets?
Long-term gains and qualified dividends use a separate, preferential rate schedule with 0%, 15% and 20% tiers rather than the ordinary rates shown here. They are stacked on top of ordinary income, so the amount of ordinary income you have determines which capital-gains tier the gains fall into. Tax Bracket Calculator covers ordinary income only, so a return with significant investment gains needs the two schedules computed together to get the real total.
What is bracket creep and how does indexing address it?
Bracket creep happens when inflation raises nominal income while bracket thresholds stay fixed, pushing people into higher marginal rates without any gain in purchasing power. Federal brackets and the standard deduction are indexed annually to an inflation measure, which shifts the thresholds upward and largely neutralises the effect. Provisions that are not indexed, such as certain fixed income thresholds elsewhere in the code, still creep over time and quietly capture more taxpayers each year.
How do credits differ from deductions in this calculation?
A deduction reduces taxable income, so its value equals the deduction multiplied by your marginal rate, and it is worth more to someone in a higher bracket. A credit reduces the tax itself dollar for dollar and is worth the same at any income level. Nonrefundable credits can only take the bill to zero, while refundable credits can produce a payment beyond that. Tax Bracket Calculator applies brackets to taxable income before any credits.
Why does married filing jointly not simply halve a couple's tax?
The joint brackets are exactly double the single brackets through the lower tiers but not at the top, so the outcome depends on how income is split. Two spouses with very unequal incomes usually gain, because the higher earner's income is spread across the wider joint brackets. Two similar high earners can face a marriage penalty, since their combined income reaches the compressed upper brackets sooner than two single returns would.
How does head of household differ from single filing status?
Head of household gives wider brackets at the lower rates and a larger standard deduction than single status, so the same taxable income produces less tax. To qualify you must be unmarried or considered unmarried, pay more than half the cost of keeping up a home, and have a qualifying person such as a dependent child living with you for more than half the year. Tax Bracket Calculator supports single and joint schedules only.
Why is my actual paycheck deduction larger than the federal tax shown here?
This tool computes federal income tax alone. Your paycheck also carries Social Security and Medicare payroll taxes, any state and local income tax, and pre-tax items such as retirement or health contributions. Withholding is also only an estimate of your final liability made from your W-4, so it can run ahead of or behind the bracket calculation, producing the refund or balance due you settle when you file.
References
Reviewed for accuracy by Sahil, Senior Finance & Tax Editor · Editorial policy
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