Tax Refund Estimator

Grab your W-2 and enter your wages and federal tax withheld to estimate your federal refund or balance due before you file. State taxes are not included.


Your W-2 Info
W-2 #1

Total wages from W-2 Box 1

Federal income tax withheld from W-2 Box 2

Filing Status

For 2025, MFJ gets a $31,500 standard deduction and wider brackets. HoH gets $23,625.

Tax Results

Federal estimate based on your W-2 wages and filing status.

Estimated Refund

+$729

Withheld more than owed

Filing Status
Single
Gross Wages
$45,000
Federal Tax Owed
Uses 2025 federal brackets
$3,272
Total Withheld
$4,000

Withheld vs. Tax Owed

Withheld more than owed — expect a refund

Estimate assumes standard deduction, W-2 income only, and no credits. State taxes are not included.

How the tax refund estimator works

This estimator answers the question most people have before filing: will I get money back, or will I owe? It takes your W-2 numbers — Box 1 (wages) and Box 2 (federal income tax withheld) — plus your filing status, then computes your federal tax using the standard deduction and current tax brackets. If your employer withheld more than you owe, the difference is your refund; if less, that is your balance due.

The mechanics: your taxable income is wages minus the standard deduction for your filing status. That taxable income flows through the marginal brackets — each chunk of income is taxed at its bracket's rate, so moving "into a higher bracket" only affects the dollars above the threshold, never your whole income. The result is compared against what was already withheld from your paychecks.

This is an estimate with deliberate simplifications: federal taxes only (no state), standard deduction only (no itemizing), and no credits such as the Earned Income Tax Credit or Child Tax Credit — credits could make your actual refund larger. You can add multiple W-2s if you worked more than one job, which is also a common cause of owing money, since each employer withholds as if theirs is your only income.

Frequently asked questions

How do I know if I'll get a refund?

If your employer withheld more federal tax than you owe, the IRS sends the difference back as a refund. Enter your W-2 Box 1 (wages) and Box 2 (federal tax withheld) to see your estimate.

What is the standard deduction?

A flat amount everyone can subtract from their income before tax is calculated, with the size depending on filing status. Most filers take the standard deduction rather than itemizing because it is larger than their deductible expenses.

What is Head of Household and do I qualify?

A filing status for unmarried people who paid more than half the cost of keeping up a home for a qualifying dependent — a child, or in many cases a parent or sibling you support. It gives a larger standard deduction and wider brackets than filing Single.

Why might I owe taxes even though I had withholding?

Common causes: working multiple jobs (each employer withholds as if it is your only income), claiming too many allowances on your W-4, or significant non-wage income. Updating your W-4 fixes it going forward.

Does this estimate include state taxes or tax credits?

No — it covers federal income tax only, assumes the standard deduction, and does not include credits like the Earned Income Tax Credit or Child Tax Credit. Credits could make your real refund larger than this estimate.

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