Bonus Tax Withholding Calculator

Estimate federal supplemental withholding, payroll tax, state withholding, and bonus take-home.

Bonus amount

Year-to-date wages before bonus

State withholding rate

Federal method

Estimated bonus take-home

$9,803

65.3% of gross bonus

Total withheld

$5,198

Federal + FICA + state

Federal supplemental withholding

$3,300

Social Security and Medicare

$1,148

State withholding estimate

$750

Effective withholding rate

34.6%

Uses 22% federal supplemental withholding, or 37% for high-income supplemental wages, plus employee FICA and a simple state rate.