This W-2G gambling winnings tax withholding calculator shows the 24% federal withholding a casino or payer takes on poker tournaments, lottery, and large prizes over $5,000 — and compares it to the actual income tax you owe once the winnings stack on your other income at your 2026 bracket. All gambling winnings are taxable whether or not you receive a Form W-2G. Enter your winnings, game type, and other income to see what was withheld, what you really owe, and whether you get a refund.
The IRS treats all gambling winnings as fully taxable ordinary income — casino jackpots, poker tournament cashes, lottery prizes, sports-betting payouts, raffle wins, even the fair-market value of a car won at a charity event. There is no "you only owe if you got a W-2G" rule; you owe income tax on every dollar. What the W-2G form and the 24% withholding do is create a prepayment and a paper trail, not a separate flat tax. This calculator separates the 24% the payer takes up front from the actual tax you owe at your marginal bracket, so you know whether you will owe more or get a refund.
Two different 24% rules can apply. Regular gambling withholding of 24% kicks in when proceeds from a poker tournament, lottery, sweepstakes, wagering pool, or horse race exceed $5,000 (and, for some bets, are at least 300 times the wager). Backup withholding of 24% applies to nearly any reportable win if you fail to give the payer a correct Social Security number. The calculator models both: choose your winning type, and tell it whether you provided an SSN.
A payer issues Form W-2G when winnings hit game-specific thresholds. These are reporting triggers — the income is taxable even below them.
| Game | W-2G issued at | Automatic 24% withholding? |
|---|---|---|
| Slot machine / bingo | $1,200+ | No (unless no SSN given) |
| Keno | $1,500+ (net) | No (unless no SSN given) |
| Poker tournament | $5,000+ (net of buy-in) | Yes, over $5,000 |
| Lottery / sweepstakes / wagering pool | $600+ and 300× the wager | Yes, over $5,000 |
| Horse / dog racing / jai alai | $600+ and 300× the wager | Yes, over $5,000 |
| Other (sports betting, table games) | $600+ and 300× the wager | Yes, over $5,000 |
Say a single filer with $60,000 of wage income hits a $10,000 slot jackpot and provides an SSN. Slots over $1,200 trigger a W-2G but no automatic 24% withholding. Stacked on $60,000 of wages, the $10,000 lands in the 22% bracket, so the marginal federal income tax is about $1,550 (a slice in the 12% band and the rest in 22%). The gambler walks out with the full $10,000 but should set aside roughly $1,550 for April — exactly what the calculator shows.
Contrast that with a $10,000 poker tournament cash: because it exceeds $5,000, the casino withholds $2,400 (24%) on the spot. Since the real tax is only about $1,550, that gambler over-withheld by roughly $850 and gets it back as a refund. Same winnings, very different cash flow — which is why a withholding-specific calculator matters.
If you decline to give the payer a correct taxpayer identification number, the casino must apply 24% backup withholding to the entire reportable amount — even slot or bingo wins that normally have no withholding. On a $1,200 slot win that means $288 withheld at the cage. Always provide your SSN/W-9 to avoid surprise withholding; you reconcile the real tax on your return regardless.
Yes, but only if you itemize, and only up to the amount of your winnings. You cannot net losses against winnings to report a smaller number on the income line — you must report the full winnings as income, then deduct losses (capped at winnings) on Schedule A. With the 2026 standard deduction at $16,100 single / $32,200 joint, many casual gamblers get no benefit from their losses because they do not itemize. Enter documented losses in the calculator to see the effect if you do itemize.
Most states tax gambling winnings as ordinary income, and many casinos also withhold state tax on large jackpots. A few states (the nine with no wage income tax) take nothing, while some — notably for non-residents — withhold at fixed rates. Critically, several states do not let you deduct gambling losses even though the federal return does, so your state bill can exceed what federal math suggests. This federal calculator does not add state tax; check your state separately.
If gambling is your trade or business, you file on Schedule C, can deduct losses and expenses without itemizing — but you also owe self-employment tax (15.3%) on net winnings. Casual gamblers report winnings as "other income" on Schedule 1, deduct losses only via Schedule A, and owe no SE tax. The bar for "professional" is high (regular, continuous, profit-motivated activity). This tool assumes casual treatment; professional gamblers should add SE tax separately.
Online sportsbooks and DFS platforms issue W-2G or 1099 forms once net winnings cross reporting thresholds, and the IRS receives copies. App "net" figures can be misleading: you still owe tax on gross winning wagers, with losing wagers deductible only as itemized losses. Keep your own session log — date, platform, amount wagered, amount won — because the forms you receive may not reflect your true taxable picture.
Gambling winnings stack on top of your other income, so a large prize can spill into the next bracket and even trigger secondary effects — higher Medicare premiums (IRMAA) two years later, phase-outs of credits, or additional state tax. A $40,000 jackpot on top of a $90,000 salary, for example, pushes part of the win into the 24% bracket. The calculator captures the federal bracket-stacking effect by computing the true marginal tax on the winnings rather than a flat 24%.
The safest rule for a casual gambler: if no 24% was withheld, set aside your marginal rate (often 22%-24%) of the winnings; if 24% was already taken and you are in a lower bracket, you may be due a refund. For very large wins you may need to make a quarterly estimated payment to avoid an underpayment penalty. Use the "balance still owed" line from the calculator as your set-aside target.
The tool first determines the up-front 24% withholding based on the game type, the $5,000 threshold, and whether you supplied an SSN. It then computes the actual federal income tax by stacking your winnings on your other income, subtracting the 2026 standard deduction ($16,100 single / $32,200 joint) and any itemized losses (capped at winnings), and applying the verified 2026 federal brackets. The difference between real tax and the 24% already withheld tells you whether you owe more or get a refund. State tax and self-employment tax (for professionals) are not included.
This calculator is for casino jackpot winners, poker players, lottery and sweepstakes winners, sports bettors, daily-fantasy players, and anyone who received or expects a Form W-2G and wants to know the real tax versus the 24% the payer withheld. It is also useful before a big tournament or lottery claim, so you can plan whether to take a lump sum, how much to set aside, and whether a quarterly estimated payment is needed.
The IRS expects a contemporaneous gambling log to support both winnings and any loss deduction: dates and types of wagers, names and addresses of the establishments, and amounts won and lost, backed by W-2Gs, wagering tickets, bank statements, and casino win/loss statements. Without records, the IRS can disallow your loss deduction while still taxing every reported win. Keep these records for at least three years after filing.
Large lottery jackpots usually offer a choice between an immediate lump sum (a discounted cash value) and a multi-year annuity paid out over decades. The tax difference is significant: a lump sum is taxed all at once, almost certainly pushing the winner into the top 37% bracket on most of the prize, while annuity payments are taxed year by year, potentially keeping more of each payment in lower brackets. Both options still face the mandatory 24% federal withholding on the amounts paid, with the balance due at filing. Some winners take the annuity specifically to spread the tax and reduce the risk of overspending; others prefer the lump sum to invest immediately. Whichever you choose, the winnings are ordinary income — there is no capital-gains rate for lottery prizes — so plan for a substantial April balance beyond the 24% withheld.
Federal regular withholding is a flat 24% on poker tournament, lottery, sweepstakes, wagering-pool, and horse-race proceeds over $5,000. Slot, bingo, and keno wins are reported on a W-2G but have no automatic withholding unless you fail to provide a Social Security number, in which case 24% backup withholding applies to the full amount.
Yes. All gambling winnings are taxable income regardless of amount or whether you receive a Form W-2G. The $1,200 (slots) and other thresholds only determine when the payer must issue a W-2G; they do not set a tax-free floor.
No. The 24% is a prepayment. Your actual tax depends on your marginal bracket once the winnings stack on your other income. If your bracket is below 24% you may get a refund; if above, you will owe more at filing.
Only if you itemize deductions, and only up to the amount of your winnings. Casual gamblers must report full winnings as income and deduct losses separately on Schedule A. With the higher 2026 standard deduction, many gamblers get no benefit because they do not itemize.
Net poker tournament winnings (cash minus buy-in) over $5,000 trigger a W-2G and automatic 24% federal withholding. The winnings are ordinary income taxed at your bracket; the 24% withheld is reconciled on your return, so you may owe more or receive a refund.
Only if you are a professional gambler whose activity rises to a trade or business. Professionals report on Schedule C and owe 15.3% self-employment tax on net winnings. Casual gamblers report winnings as other income and owe no self-employment tax.
The payer must apply 24% backup withholding to the entire reportable amount, including wins that normally have no withholding such as slots and bingo. Providing a correct SSN on the W-9 avoids this surprise deduction at the cage.