Tax Withholding Calculator (US)

This tax withholding calculator helps estimate whether your federal withholding may be too high, too low, or broadly on track. It is useful after a pay change, new job, marriage, second income, bonus, or change in deductions.

Withholding is the tax taken from pay during the year. If too little is withheld, you may owe at filing time. If too much is withheld, you may receive a refund but have less cash available throughout the year.

If your estimated annual federal tax is $14,000 and your payroll withholding is projected at $11,500, you may be short by about $2,500 before credits, deductions, and other adjustments.

Spotting that gap early gives you time to adjust Form W-4, increase withholding, or make estimated payments rather than waiting for a surprise tax bill.

Review withholding after a raise, job change, new dependent, marriage or divorce, bonus, freelance income, investment income, or major deduction change.

This calculator is a planning tool. Exact withholding depends on payroll setup, Form W-4 choices, tax credits, filing status, and current IRS rules.

A large refund can feel positive, but it may mean too much tax was withheld during the year. A very small refund or balance due may be fine if it was planned and no penalties apply.

The goal is usually predictability: enough withholding to avoid a surprise bill, without unnecessarily reducing monthly cash flow.

Use this calculator to compare expected annual federal tax owed with federal tax already withheld plus withholding expected for the rest of the year.

The primary result is a potential refund or estimated amount still owed. It does not calculate Form W-4 entries or derive tax owed from brackets.

Use federal income tax first if you need a simplified annual federal tax estimate to enter as tax owed.

Use payroll tax when you want a single paycheck net-pay estimate rather than annual withholding progress.

Label saved scenarios with the date, withheld-so-far amount, and expected remaining withholding so the annual picture is not mixed with an old paystub.

Entering gross income as tax owed. The tax owed field should be your expected federal tax liability, not annual income.

Forgetting expected withholding for the rest of the year, which can make the result look short too early.

Treating a potential refund as final before credits, deductions, other taxes, and actual year-end income are known.

Using this page as a W-4 form calculator. It estimates a gap; it does not produce W-4 line entries.

Ignoring state withholding if state tax is material to the household cash-flow plan.

Example: enter $8,500 as estimated federal tax owed, $5,000 withheld so far, and $4,000 expected withholding for the rest of the year.

The calculator compares $9,000 total expected withholding with $8,500 expected tax owed and shows a possible refund of $500.

If a bonus or new job changes withholding, update the expected remaining withholding field rather than changing tax owed.

If your annual income changes, update the tax owed estimate using a federal income tax calculator or tax software first.

Use federal income tax to estimate the annual federal tax owed figure before using this page.

Use bonus tax to estimate how a bonus paycheck might change withholding.

Use estimated tax when non-wage income may require separate estimated payments.

Use payroll tax for pay-period net pay rather than annual refund-or-balance planning.

Check that tax owed is a tax estimate, not income.

Check withheld-so-far against the latest paystub or payroll portal.

Check expected remaining withholding after raises, bonuses, job changes, or W-4 changes.

Rerun this tax withholding calculator when expected tax owed, withholding so far, or expected remaining withholding changes.

Recheck after a bonus, job change, second job, raise, new dependent, or W-4 update.

If this estimate differs from tax software, trace expected tax owed and withholding separately instead of changing both at once.