Your Bonus Gets Taxed Harder at First. Then You Get Some Back
Bottom line
A $3,000 bonus can show up as $1,900 in your account and leave you confused.
In this guide
What it is
A bonus is taxed differently than your regular paycheck. employers are required to withhold (take out upfront) a flat 22% federal tax rate on bonuses, plus state taxes and payroll taxes, before the money ever reaches you.
By the numbers
On a $3,000 bonus, federal withholding alone eats $660 at the flat 22% rate. Add roughly 7.65% for payroll taxes (Social Security and Medicare, which fund those programs) and 5% for a typical state income tax, and you take home about $1,940 instead of $3,000.
How it works
Your employer sends your bonus through what the IRS (the federal tax collection agency) calls the supplemental wage method. they apply a fixed 22% rate automatically, without looking at your actual income or tax bracket (the percentage you owe based on your total earnings). That flat rate is often higher than what you actually owe, so you temporarily overpay.
The catch
That 22% is withholding, not your final tax bill. When you file your taxes in April, the IRS calculates what you actually owed based on your real income for the year. If 22% was too high for your bracket, you get a refund. If your total income pushed you into a higher bracket, you may owe more. The bonus did not create a special tax. it just forced the math to settle later.
FAQ
Why is my bonus taxed at 22% instead of my regular rate?
The IRS treats bonuses as 'supplemental wages' and requires employers to withhold at a flat 22% federal rate (37% above $1 million) rather than running it through the normal withholding calculation. This is just a withholding shortcut — your actual tax rate is determined when you file. If 22% is more than your actual rate, you get the difference back as a refund.
Will I get back the extra tax withheld from my bonus?
Yes. Withholding is just a prepayment. At tax time, your total income and total withholding are reconciled. If the 22% flat withholding on your bonus was more than what you actually owe based on your effective rate, the difference comes back as a refund, or offsets any other taxes you owe.
Does my bonus count toward my 401(k) contribution limit?
Yes, if you elect to have 401(k) contributions deducted from your bonus, those dollars count toward the same annual limit as regular paycheck contributions ($23,500 in 2025, plus a $7,500 catch-up if you are 50 or older). Some employers allow you to set a separate bonus deferral percentage. Check your plan documents or HR system.
What to check next
Look at last year's tax return and find your actual federal bracket. then compare it to the 22% your employer withheld to see if a refund is likely.
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