Bonus Tax Calculator
Estimates federal withholding on a bonus using the 22% supplemental rate plus FICA.
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Bonus amount ($)
Example calculation
Take-home bonus: $3,517.50
| Federal (22% supplemental) | $1,100.00 |
|---|---|
| Social Security (6.2%) | $310.00 |
| Medicare (1.45%) | $72.50 |
Method & notes
IRS flat 22% supplemental rate for bonuses under $1M, plus FICA. Excludes state tax. Estimate.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the Bonus Tax Calculator work?
Estimates federal withholding on a bonus using the 22% supplemental rate plus FICA. IRS flat 22% supplemental rate for bonuses under $1M, plus FICA. Excludes state tax. Estimate.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.