Tax Refund Estimator

Your refund is the difference between federal tax withheld during the year and the tax you actually owe after the standard deduction and credits.

Updated 2026-10-03 · 2026 IRS figures

Estimated federal refund$580Tax liability $4,420 after $0 credits

Standard deduction	$16,100
Taxable income	$38,900
Tax before credits	$4,420
Child tax credit	$0
Withheld	$5,000

Withheld

$5,000

Tax owed

$4,420

Your result is ready

Key 2026 federal tax facts

For 2026, Social Security tax of 6.2% applies to wages up to $184,500, up from $176,100 in 2025.
Medicare tax of 1.45% applies to all wages with no cap, plus a 0.9% Additional Medicare Tax on wages above $200,000 ($250,000 for married couples filing jointly).
The 2026 standard deduction is $16,100 for single filers, $32,200 for married couples filing jointly, and $24,150 for heads of household.
The seven federal income tax rates of 10%, 12%, 22%, 24%, 32%, 35% and 37% were made permanent by the One, Big, Beautiful Bill Act.
In 2026 the 37% top rate applies to taxable income over $640,600 for single filers and over $768,700 for married couples filing jointly.
The Child Tax Credit is $2,200 per qualifying child for 2026, of which up to $1,700 is refundable.

The refund formula in one line

Refund = federal tax withheld + estimated payments + refundable credits − total tax. If the result is negative, that is the amount you owe. A refund is not extra money from the IRS; it is the part of your own pay that was over-withheld during the year.

To use the estimator, take your W-2: box 1 shows taxable wages (already reduced by 401(k) and pre-tax health deductions) and box 2 shows federal income tax withheld. If you have several W-2s, add the boxes together.

Worked examples for 2026 returns

These use the standard deduction and child tax credit only. The withholding figures are illustrative; use your own W-2.

Household	Withheld (box 2)	Tax after credits	Result
Single, $45,000, no children	$4,200	$3,220	Refund $980
Head of household, $52,000, 1 child	$3,000	$788	Refund $2,212
Married joint, $110,000, 2 children	$6,500	$4,440	Refund $2,060

Credits the estimator leaves out — and how big they are

The biggest omission is the Earned Income Tax Credit. It is fully refundable, so it adds directly to your refund, but it depends on earned income, investment income and household details the estimator doesn't collect. The 2026 maximums are below; the credit starts to shrink above the phase-out income and reaches zero at the income limit.

Also not included: education credits, the child and dependent care credit, the saver’s credit, premium tax credit reconciliation, and itemized deductions.
Not included either: other income such as interest, unemployment benefits or 1099 work, which can turn a refund into a balance due.

Qualifying children	Maximum credit	Income limit (single / HoH)	Income limit (married joint)
0	$664	$19,540	$26,820
1	$4,427	$51,593	$58,863
2	$7,316	$58,629	$65,899
3 or more	$8,231	$62,974	$70,244

When the refund arrives

The IRS says most e-filed returns are processed within about three weeks, while mailed returns take six weeks or more. Status in the Where’s My Refund tool is usually available 24 hours after you e-file a current-year return, three days after e-filing a prior-year return, and four weeks after mailing a paper return.

By law, refunds that include the Earned Income Tax Credit or the additional child tax credit cannot be issued before mid-February, even if you file in January. Direct deposit is faster than a paper check.

Your refund can be reduced to pay past-due federal tax, state income tax, child support or certain federal debts through the Treasury Offset Program. You will receive a notice explaining any offset.

Adjusting next year’s refund

A large refund means you lent money to the government interest-free; a balance due means you were under-withheld. To move closer to zero, file a new Form W-4 with your employer. The IRS Tax Withholding Estimator walks through it using your latest pay stub and last year’s return and produces a completed W-4. Check it each January and after marriage, divorce, a new child or a second job.

Low income? You may still need to file to get money back

If federal tax was withheld from your pay, the only way to get it back is to file a return, even if your income is below the filing threshold. Part-time workers, students and people who worked only part of the year are the most likely to be owed a refund they never claim. Refundable credits such as the earned income tax credit and the refundable part of the child tax credit are also paid only to people who file.

To check a refund once you have filed, Where’s My Refund asks for your Social Security number or ITIN, your filing status and the exact refund amount shown on your return.

Frequently asked questions

How long does a tax refund take?

The IRS issues most e-filed refunds with direct deposit in less than 21 days. Refunds that include the EITC or additional child tax credit cannot be released before mid-February under the PATH Act.

Does this include the earned income tax credit?

No — if you qualify for the EITC your refund will be higher. Use the IRS EITC Assistant to check.

Is it better to get a big refund or owe a little?

Financially, owing a small amount (without a penalty) is better because you kept your money during the year. Many people still prefer a refund as forced savings. You avoid the underpayment penalty if you owe less than $1,000 or your withholding covered 90% of this year’s tax or 100% of last year’s.

Why is my refund smaller than last year even though my pay didn’t change?

Common reasons are a child aging out of the child tax credit at 17, a change in filing status, a second job or side income, or a new W-4 that withholds less. Compare box 2 of this year’s and last year’s W-2s.

Can the IRS keep my refund for a debt?

Yes. Refunds can be offset for past-due federal or state tax, child support and some federal agency debts. The Bureau of the Fiscal Service sends a notice if this happens.

Does filing an extension delay my refund?

Only because you file later. An extension moves the filing deadline to October 15; the refund is issued after the IRS processes the return whenever you file it.

Sources

Figures are taken from official government publications and were last reviewed on 2026-10-03.