Tax Refund Estimator

Find out if you'll get a refund or owe money at tax time. Enter your income, withholdings, and credits to see your projected federal and state tax outcome.

By NumbersLab Editorial·Updated for 2026 tax year·Editorial standards

Tax form and refund calculation — representing federal tax refund or amount owed projection based on withholding and credits — Photo by Bench Accounting on Unsplash

Interactive Calculator

All inputs adjust the result in real time. No data leaves your browser.

Tax Year

Annual Salary

Filing Status

State

Federal Tax Withheld (YTD)

State Tax Withheld (YTD)

Number of Children (Under 17)

401(k) Contributions

Estimated Refund

$2,275You’re getting money back

Federal: $275 refund + State: $2,000 refund

Federal Refund / Owed

$275

Refund

State Refund / Owed

$2,000

No state income tax

Total Refund / Owed

$2,275

Total refund

Effective Tax Rate

10.3%

Federal + state on adjusted income

Tax Breakdown

Annual Salary$75,000

Adjusted Gross Income$75,000

Federal Tax Owed−$7,725

Federal After Credits−$7,725

Federal Withheld$8,000

Federal Refund / Owed+$275

Texas State Tax Owed$0

State Tax Withheld$2,000

State Refund / Owed+$2,000

Total Estimated Refund+$2,275

The Background

A tax refund happens when your employer withholds more tax from your paychecks than you actually owe for the year. The IRS returns the overpayment to you as a refund when you file your return. While getting a refund feels good, it means you gave the government an interest-free loan throughout the year.

You may owe taxes if your withholding was too low relative to your actual tax liability. This commonly happens when you have multiple income sources, significant investment gains, or your W-4 is set up to withhold less than needed. If you owe more than $1,000, you may also face an underpayment penalty.

Contributing to a 401(k) reduces your taxable income, which can turn a balance due into a refund or increase your existing refund. Every dollar contributed to a traditional 401(k) reduces your adjusted gross income, saving you money at your marginal tax rate.

The child tax credit is worth $2,000 per qualifying child under age 17. This is a credit (not a deduction), so it directly reduces your tax bill dollar-for-dollar. To adjust your withholding and get the right amount taken out each paycheck, submit an updated W-4 to your employer.

Frequently Asked

When will I get my tax refund?+

If you e-file and use direct deposit, the IRS issues most refunds within 21 days of accepting your return. Paper returns or paper checks add 4-6 weeks. Returns claiming the Earned Income Tax Credit or Additional Child Tax Credit are held by law until mid-February (PATH Act delay). You can track refund status at IRS.gov/refunds 24 hours after e-filing (4 weeks after paper filing). Common reasons for delay: math errors, missing forms, identity verification flags, Schedule C with high deductions, amended returns, and returns with prior-year IRS holds.

Why is my refund smaller this year?+

Common reasons: (1) you adjusted your W-4 to reduce withholding (smaller refund, bigger paychecks throughout the year — that's working as intended); (2) you got married or had a child but didn't update W-4; (3) you earned more from a side gig with no withholding; (4) you took retirement account distributions; (5) you sold investments and owe capital gains tax; (6) certain tax credits phased out as your income rose (Child Tax Credit, EITC). Run the Refund Estimator to identify which factor changed and decide whether to adjust your W-4 for next year.

Is a big tax refund good or bad?+

Conventionally, it's bad: you gave the government an interest-free loan all year. Adjusting your W-4 to reduce withholding moves that cash into each paycheck where it can earn interest or be invested. However, for people with poor saving discipline, the refund functions as a forced savings account — sometimes the only meaningful annual lump sum they accumulate. If you reliably spend extra paycheck dollars but invest your refund into a Roth IRA, the over-withholding may produce better outcomes. There's no universally correct answer, but the math favors smaller refunds for most disciplined savers.

What tax credits affect my refund?+

Major refundable credits (which can produce a refund even if you owe nothing): Earned Income Tax Credit (income limits apply), Additional Child Tax Credit (up to $1,700 refundable per child in 2026), American Opportunity Credit (up to 40% refundable), Premium Tax Credit for ACA marketplace coverage. Nonrefundable credits (reduce tax owed but won't generate a refund): Child Tax Credit nonrefundable portion (up to $2,000 per qualifying child under 17), Saver's Credit, Lifetime Learning Credit, Adoption Credit. Credits often have income phase-outs that materially affect higher earners.

How do I increase my tax refund?+

Strategies that legitimately boost a refund: (1) max pre-tax 401(k), HSA, and FSA contributions to lower taxable income; (2) itemize deductions if mortgage interest, state and local tax ($10,000 SALT cap), and charitable contributions exceed your standard deduction; (3) claim all credits you qualify for (Child Tax Credit, Saver's Credit, Lifetime Learning Credit); (4) harvest capital losses to offset up to $3,000 of ordinary income; (5) make traditional IRA contributions by tax day (up to $7,500 in 2026 with catch-up at 50+) to reduce AGI further. The biggest single move for most workers is just maximizing 401(k) contributions.