Tax Refund Calculator

See whether you are heading for a refund or a bill. Enter your income, withholding, filing status and dependents, then press Calculate to estimate your federal tax outcome.

Written by TopicDrill Editorial Team·Updated June 2026

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Your inputs

Estimate your federal refund, then press Calculate.

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Estimated refund

$1,159

Marginal rate 22% · effective rate 11.1%

Deduction used$14,600
Taxable income$60,400
Tax after credits$8,341
Total withheld$9,500

Tax by bracket

Tax in band
$0$1.1k$2.1k$3.2k$4.3k10%12%22%

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How the tax refund calculator works

Your refund is not random. It is the difference between the tax you truly owe and the tax your employer already sent in on your behalf. This tool rebuilds that math: it takes your deduction off your income, applies the federal brackets for your filing status, removes credits for qualifying children, and then subtracts everything you had withheld during the year.

The bar chart breaks the bill into the slices of income taxed at each rate. Because the system is progressive, only the dollars inside a band are taxed at that band rate, which is why your effective rate sits well below the top bracket you reach.

A worked example

Suppose a single filer earns 75,000 dollars and has 9,500 dollars withheld. The 14,600 dollar standard deduction leaves 60,400 dollars of taxable income. After running it through the 10, 12 and 22 percent bands the tax comes to roughly 8,400 dollars, so the roughly 1,100 dollar overpayment returns as a refund. Add one child and the 2,000 dollar credit pushes the refund higher still.

Things to keep in mind

This is an estimate built on the 2024 federal brackets, the standard deduction and the child tax credit only. It leaves out many real-world items such as retirement contributions, education credits, self-employment tax and state tax. For the official figures and forms, see the IRS. To check whether your paycheck withholding is on track, pair this with our paycheck calculator.

Frequently asked questions

How is my tax refund calculated?

A refund is simply the gap between what was taken out of your paychecks and what you actually owe. The tool subtracts your deduction from your income to find taxable income, runs that through the federal brackets, subtracts credits such as the child tax credit, and then compares the result to the tax you had withheld. If withholding is higher, the difference is your refund.

Why do I get a refund instead of owing money?

Employers estimate your tax across the year using the W-4 form and send it to the IRS each payday. When that running total ends up larger than your real bill, the overpayment comes back as a refund. A big refund means you lent the government money interest free, so some people adjust their W-4 to keep more in each paycheck instead.

Does this calculator include state income tax?

No. This estimate covers only US federal income tax and the child tax credit. Most states run their own brackets, deductions and credits on top, so your real refund can differ. Treat the number as a starting point and check your state rules separately.

Should I take the standard or itemized deduction?

Take whichever is larger. The standard deduction is a flat amount set by filing status, while itemizing adds up specific costs such as mortgage interest, state taxes and charitable gifts. Switch this calculator to itemized and enter your total to see which one lowers your taxable income more.

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