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Bonus Tax Calculator
Calculate the after-tax amount of a bonus check using the IRS supplemental rate.
About This Calculator
The IRS requires employers to withhold 22% federal income tax on supplemental wages (bonuses, commissions) up to $1 million. The "bonus tax" isn't higher than regular income — it's just that bonuses are withheld at the flat 22% supplemental rate regardless of your actual marginal bracket.