Lottery Withholding vs Tax
Every lottery payout over $5,000 has 24% held back for federal taxes. That feels definitive — like the tax is handled. It isn't. Withholding is a prepayment toward your bill, and on a jackpot the real bill is almost always bigger.
Two different numbers
Think of it like a paycheck. Your employer withholds tax every payday — but your actual tax is only settled when you file. Lottery payouts work the same way:
- Withholding (24%) — taken automatically when you're paid, on winnings over $5,000. It's money held aside and credited to your account with the IRS.
- Tax liability — computed on your tax return: winnings plus your other income, minus deductions, run through the progressive brackets for your filing status. This is the actual bill.
If withholding exceeds the liability, you get a refund. If the liability is bigger — the usual case for jackpots — you pay the difference.
A concrete example
Take a $100 million cash win. At payout, $24 million is withheld federally. But nearly all of that $100 million falls in the 37% top federal bracket, so the real federal liability is roughly $37 million (before the standard deduction and any state tax). The winner would owe about $13 million more at filing time — plus state tax on top. This is why our calculators display withholding and estimated liability as two separate lines: confusing them is the most expensive misunderstanding in lottery finance.
State withholding too
Many states also withhold their own percentage at payout. State withholding, like federal withholding, is a prepayment — your final state liability is computed on your state return. The calculator's state estimate uses a top-marginal-rate planning figure, which is why it can differ from what was withheld.
What to actually do
Don't spend the post-withholding amount as if it's yours free and clear. Set aside a reserve for the filing-time balance — a tax professional can size it — and consider quarterly estimated payments so you're not hit with underpayment penalties. Then check your own gap in the lottery tax calculator , which keeps withholding and estimated liability visibly separate.
Frequently Asked Questions
How much is withheld from lottery winnings?
Federal law requires 24% withholding on lottery and other gambling winnings over $5,000 at payout time. States may withhold their own percentage on top of that.
Is the 24% withholding my final lottery tax?
No. Withholding is a prepayment credited against your final tax liability, exactly like withholding from a paycheck. Your actual tax is computed on your return using the progressive brackets — for a jackpot winner that's mostly the 37% top bracket — and you pay the difference.
Why is withholding less than the actual tax on jackpots?
The 24% withholding rate is a flat statutory rate set by law, while your real tax uses marginal brackets up to 37%. The gap between 24% and your effective rate on a huge win is what you owe at filing time.
Can withholding ever be more than the tax owed?
Yes, on smaller wins. If your total income keeps you in lower brackets, 24% withholding can exceed your actual liability — in which case the excess comes back as a refund when you file. That's another reason to think of withholding as a prepayment, not a bill.
How do I estimate the real tax beyond withholding?
Use the lottery tax calculator: it shows estimated federal tax, state tax, total tax, and take-home separately from the 24% withholding figure, so you can see the gap before filing season surprises you.
Sources & References
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IRS guidance on withholding for gambling winnings · Internal Revenue Service · Last verified 2026-09-28
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IRS Revenue Procedure 2025-32 · Internal Revenue Service · Last verified 2026-09-28