Taxes on gambling winnings work like taxes on any other ordinary income: every dollar you win is added to your other income for the year and taxed at your regular federal brackets, whether or not the payer sent the IRS a form. What changed in 2026 is the loss side. A new federal rule caps the deductible portion of gambling losses at 90% of those losses, so a gambler who wins and loses the same amount over the year still owes tax on 10% of the losses. Your actual bill turns on three things: how much you won, how much of your losses you can document, and whether itemizing beats the standard deduction.
How the Tax Is Actually Calculated
Winnings go on line 8b of Schedule 1 as “Other Income,” which then flows into your Form 1040 total.1Internal Revenue Service. 2025 Schedule 1 (Form 1040) They stack on top of wages, self-employment earnings, and investment income before deductions come off, and the tax is figured at whatever marginal brackets the combined total reaches.
This is where the surprise usually happens. A $50,000 tournament cash doesn’t get taxed at a flat rate. If you already earn $80,000 from a job, the first slice of your winnings finishes off the 22% bracket and the rest starts getting taxed at 24%. The rate on the winnings depends entirely on what you earned around them.
You owe this tax on every dollar of gambling income, regardless of whether the casino, sportsbook, or lottery sent a form.2Internal Revenue Service. Topic No. 419, Gambling Income and Losses Small wins that never generate paperwork are still fully taxable.3Internal Revenue Service. Five Important Tips on Gambling Income and Losses
When You’ll Get a W-2G and When Tax Gets Withheld
Certain payouts trigger a Form W-2G, which reports the win and any withholding to both you and the IRS. For 2026 the reporting threshold was adjusted for inflation for the first time, replacing the older game-specific numbers with a single figure: $2,000 across gambling types, indexed annually going forward.4Internal Revenue Service. Instructions for Forms W-2G and 5754 For pari-mutuel, sports, sweepstakes, and lottery payouts, the win also has to be at least 300 times the wager for a W-2G to be required. Poker tournament winnings count after subtracting the buy-in.
Reporting and withholding are separate. Withholding kicks in at a higher level: the payer must withhold 24% when the payout minus the wager exceeds $5,000 on sweepstakes, wagering pools, lotteries, pari-mutuel wagering, or sports wagering (with the same 300-times requirement for pari-mutuel and sports). Bingo, keno, and slot winnings are exempt from this regular gambling withholding no matter how large the payout; the 24% only applies to those games as backup withholding when the winner doesn’t provide a valid taxpayer identification number.5Internal Revenue Service. Instructions for Forms W-2G and 5754 (01/2026)
What’s withheld is an estimated payment, not the final tax. If your overall income lands you in the 10% or 12% bracket, some of the 24% comes back as a refund. If your combined income pushes you into the 32% or 37% bracket, you’ll owe the difference when you file. The amount withheld shows up in Box 4 of your W-2G and is credited against your total tax on the return.
Deducting Losses in 2026
You can offset winnings with documented losses, but only if you itemize on Schedule A. For 2026 the standard deduction is $16,100 for single filers and $32,200 for joint filers.6Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 Itemizing pays off only when your gambling losses plus other itemizable expenses (mortgage interest, state taxes, charitable giving) clear that floor. For a lot of casual gamblers, they don’t.
Losses can never exceed the winnings you reported. Someone with $15,000 in winnings and $20,000 in documented losses deducts $15,000. The extra $5,000 gets no benefit and does not carry forward.2Internal Revenue Service. Topic No. 419, Gambling Income and Losses
The New 90% Loss Cap
Starting with the 2026 tax year, the amended Section 165(d) limits the deductible amount of gambling losses to 90% of those losses, still capped at your total winnings. You take 90% of your losses first, then apply that number up to the amount you won.
The break-even gambler feels this most. Win $10,000, lose $10,000, and the old rule netted you to zero taxable gambling income. Under the new rule, only $9,000 is deductible and $1,000 stays on the return as taxable income. In the 24% bracket, that’s $240 owed on a year you didn’t come out ahead.
Documenting Your Losses
The IRS requires a detailed diary or log: the date and type of each wager, the name and location of the establishment, and the amounts won and lost.7Internal Revenue Service. Diary or Similar Record Keep supporting records too, including losing tickets, casino account statements, credit card records, and payout slips. Loss deductions collapse in audits when the log was reconstructed after the fact. Without contemporaneous records, the IRS can deny the deduction entirely and leave your full gross winnings taxable.
How a Big Win Ripples Through Your Return
Even if you deduct every dollar of losses on Schedule A, your adjusted gross income still goes up by the full amount of your winnings, because winnings sit above the line on Schedule 1 while losses come off below the line. AGI drives eligibility for a long list of tax benefits and program costs.
Credits and Premium Subsidies
A large win can shrink or wipe out your premium tax credit for marketplace health insurance, which is calculated from household income derived from AGI. A one-year spike can push you past the income threshold and raise your premiums for that coverage year, even if you lost the money back before December. The same AGI bump can phase out education credits, the child tax credit, and other income-tested benefits. Near a phaseout cliff, a modest win can cost more in lost credits than it delivered in cash.
Social Security and Medicare
For retirees, gambling winnings count toward the combined income figure that determines how much of your Social Security benefits are taxable. Once combined income clears $25,000 (single) or $32,000 (joint), up to 50% of benefits become taxable; above $34,000 or $44,000, up to 85%. A casino trip that clears $10,000 can drag thousands of dollars of Social Security into taxation that would otherwise have been tax-free.
Medicare premiums move too. The Income-Related Monthly Adjustment Amount adds surcharges to Part B and Part D for higher-income beneficiaries. For 2026, individuals with modified AGI above $109,000 (or $218,000 joint) pay an extra $81.20 to $487.00 per month on Part B, with additional Part D surcharges of $14.50 to $91.00. IRMAA uses income from two years prior, so a 2024 win affects 2026 premiums, and the thresholds are cliffs: one dollar over the line triggers the full surcharge for that tier.
Estimated Tax Payments
When the payer doesn’t withhold (common on slots, bingo, keno, and any win below the $5,000 threshold), the IRS still expects its share during the year rather than at filing. You’re supposed to pay at least 90% of your current-year tax liability through withholding or estimated payments to avoid an underpayment penalty.8Internal Revenue Service. Pay As You Go, So You Won’t Owe Estimated payments go in quarterly using Form 1040-ES. If the win came late in the year, Form 2210’s annualized income installment method lets you calculate the required payment based on when the income actually arrived, so you’re not penalized for earlier quarters.9Internal Revenue Service. Instructions for Form 2210
Situations That Change the Math
Professional Gamblers
If gambling is your livelihood, pursued regularly with a genuine profit motive, the IRS treats it as a trade or business. Professionals report on Schedule C rather than putting winnings on Schedule 1 and losses on Schedule A.3Internal Revenue Service. Five Important Tips on Gambling Income and Losses That lets you deduct ordinary business expenses like travel, data services, and equipment against gambling income. The 2026 law is broader for professionals, though: it defines “losses from wagering transactions” to include those deductible business expenses, so expenses and wagering losses together get lumped under the same 90% cap.
Professional status still can’t produce a net gambling loss that offsets wages or investment income. Losses and expenses, after the 90% haircut, can bring gambling income to zero but not below. And Schedule C income carries self-employment tax at 15.3% (12.4% Social Security up to the annual wage base, 2.9% Medicare on all net earnings). On $100,000 of net gambling income, that’s roughly $15,300 in self-employment tax on top of regular income tax. Hobbyist gamblers don’t pay this.
Group Wins
When one person hands over ID at the cage for a pool, syndicate, or group trip, that person gets the W-2G and, without paperwork, the full tax bill. Form 5754 fixes this: the collector lists each participant’s name, address, taxpayer identification number, and share, and the payer then issues separate W-2Gs that split the reporting and any withholding proportionally.10Internal Revenue Service. About Form 5754, Statement by Person(s) Receiving Gambling Winnings Skip that step and the collector reports the full amount, pays the tax, and has to chase reimbursement privately.
Non-Cash Prizes
Winning a car, vacation, or piece of jewelry creates tax based on the prize’s fair market value, which the payer documents and you report as income the same way you would cash.2Internal Revenue Service. Topic No. 419, Gambling Income and Losses A $40,000 car generates roughly $9,600 in federal tax at 24%, plus any state tax, without a liquid dollar changing hands. When withholding applies, the payer collects the 24% from you in cash before releasing the prize. Some winners decline for that reason.
State Taxes
State treatment varies widely. Several states impose no income tax at all, so residents there face only federal tax on winnings. Others tax gambling income, with rates and withholding rules that differ by state. Non-residents get an extra wrinkle: a state where you don’t live can require a non-resident return on income earned there. Your home state usually gives a credit for tax paid to the other state, but the credit is generally limited to what your home state would have charged on that same income, so effectively you pay the higher of the two rates.