How much gambling loss can I deduct?
Estimate how gambling winnings and documented losses may affect taxable income. Enter winnings, losses, itemizing status, and tax year to estimate the deductible loss and remaining taxable gambling income.
gambling loss deduction calculator
Quick answer
Gambling winnings are reported in full. Losses can be deducted only if you itemize and only up to the allowed limit based on winnings and current-year rules.
Also answers
- gambling winnings tax calculator
- Schedule A gambling losses
- wagering loss deduction
- Form W-2G tax calculator
Good fit when
- Casino, lottery, and sports betting records
- Schedule A planning
- W-2G follow-up
Have ready
- Winnings
- Documented losses
- Itemizing status
Result you get
Estimated deductible gambling loss and net taxable gambling amount.
How this calculation works
- Reports gambling winnings in full.
- Allows gambling losses only when itemizing is selected.
- Limits losses to gambling winnings.
- For 2026, applies the IRS proposed regulation approach limiting deductible wagering losses to 90% of losses.
Common mistakes and caveats
- You must keep records of winnings and losses.
- Professional gamblers and nonresident returns can have different rules.
- The 2026 treatment reflects current IRS proposed regulations and statutory change guidance.
Last updated & sources
Last updated June 22, 2026.
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