Bonus tax calculator
what do you actually keep?
Enter your salary and bonus to see the exact federal, state, and FICA withholding — using the IRS supplemental wage rate, updated for 2026.
Why is my bonus taxed at 22%?
The IRS requires employers to withhold federal tax on bonuses using the “supplemental wage” flat rate of 22% — separate from your normal paycheck. Your actual tax owed at filing may be higher or lower depending on your total annual income and tax bracket.
Common bonus amounts — California · Single
Single filer · California · 2026 tax brackets · base salary $100,000
Frequently asked questions
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