Bonus Tax Calculator
The IRS treats bonuses as supplemental wages. Employers usually withhold a flat 22% federal (37% above $1M) plus FICA and state — your true tax bill is reconciled at filing.
Federal (flat 22%)
$2,200
Social Security
$620
Medicare
$145
State
$500
Total withheld
$3,465
Net take-home
$6,535
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Estimate only. Aggregate-method employers withhold based on your W-4 and YTD pay, which can differ from the flat rate. True liability is reconciled on your 1040.