USA Federal Employee Bonus Tax Calculator
Estimate federal and potentially state tax withholding on a bonus using two common methods.
Disclaimer: This is an estimator. Tax rules are complex and vary. Consult a tax professional for advice.
Percentage Method
Used when bonus is paid separately or identified as a bonus. Federal flat rate is typically 22% (or higher for bonuses over $1M - not calculated here).
Standard rate is 22% for bonuses under $1 million.
State rules vary greatly. Enter 0 if not applicable or unknown.
Estimation Results (Percentage Method):
Bonus Amount:
Estimated Federal Tax Withheld (%):
Estimated State Tax Withheld (%):
Total Estimated Tax Withheld:
Estimated Net Bonus Amount:
Aggregate Method (Estimator)
Used when bonus is combined with regular wages and taxed as a single paycheck.
This estimate relies on W-4 information and simplifies tax calculations. It provides the *total* tax for the pay period, not just on the bonus portion.
Ensure tax data for the selected year is available in the script.
W-4 Information for the Pay Period (Simplified)
Step 3: Claim Dependents
Step 4 (Optional Adjustments)
Enter amount exceeding your standard deduction.
e.g., Health premiums, retirement contributions (if pre-tax).
Estimation Results (Aggregate Method, Per Pay Period):
Bonus Amount:
Regular Gross Pay:
Total Gross Pay:
Pre-Tax Deductions:
Taxable Gross Pay:
Estimated Federal Taxes:
Federal Income Tax Withholding:
Social Security Tax:
Medicare Tax:
Total Estimated Federal Taxes Withheld:
Estimated Net Pay:
Estimate based on Tax Year:
Note: This calculation is for the *entire paycheck* including the bonus, not just the bonus portion.