W-4 Federal Tax Withholding Estimator
Estimate your annual federal tax liability and check if your W-4 withholding is on track.
Calculation Inputs
Calculation Results
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Enter inputs on the left and click Calculate to view results.
Formula & Methodology
Standard deduction + tax table lookup vs projected withholding
Proper W-4 calibration avoids large bills or unnecessarily large refunds. Aim for ±$500 of your liability.
Frequently Asked Questions
Should I try to get a big tax refund?
A large refund means you over-withheld and gave the government an interest-free loan. Better to keep more each paycheck and invest it.