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Tax Withholding Calculator

Check whether your paycheck withholding is on track for the year.

Income
Withholding So Far

Enter your numbers and select Calculate to see results.

About This Calculator

This calculator compares your year-to-date federal tax withholding, projected out for the full year, against your estimated total federal tax liability — helping you spot whether you're on track, under-withholding (risking a tax bill), or over-withholding (giving the government an interest-free loan).

How This Is Calculated

Projected Annual Withholding = (YTD Withholding ÷ Pay Periods Elapsed) × Total Pay Periods

If you've withheld $6,000 through 12 of 26 biweekly pay periods, you're on pace for about $13,000 for the year.

Assumptions

  • Uses 2026 federal tax brackets and standard deduction.
  • Assumes consistent withholding per paycheck for the rest of the year.
  • Does not include state tax, tax credits, or other income/deduction sources that would change your actual liability.

Frequently Asked Questions

Submit a new Form W-4 to your employer requesting additional withholding, either as a flat extra amount per paycheck or by adjusting your filing details — this helps avoid a large tax bill or underpayment penalty when you file.

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Last updated January 15, 2026. Results are estimates for informational purposes only — read our disclaimer.