Gambling Winnings Tax Calculator (US)

Enter Calculation

Total Gambling Winnings ($)

Gambling Losses ($)

Marginal Income Tax Rate (%)

Results

Federal Tax Withheld (24%)

$1,200

withheld from your winnings

Deductible Itemized Losses	$1,000
Taxable Amount After Losses	$4,000
Estimated Income Tax at Marginal Rate	$960

What Is the Gambling Winnings Tax Calculator?

This tool applies to the United States (IRS rules). In the US, all gambling winnings are fully taxable income and must be reported on your federal return. Payers often withhold a flat 24% federal tax on certain large winnings (reported on Form W-2G). This calculator estimates that withholding, the portion of losses you may deduct, and your taxable amount. It is a planning estimate only and not tax advice; consult a tax professional.

How to Use It

Enter your total gambling winnings for the year, your total gambling losses, and your marginal income tax rate (the top bracket your income falls into). The calculator shows the 24% federal amount typically withheld, how much of your losses are deductible, your taxable amount after losses, and an estimated income tax at your marginal rate.

The Formula Explained

Federal withholding is \(\text{Winnings} \times 0.24\). Gambling losses are deductible only if you itemize, and only up to the amount of your winnings: \(\min(\text{Losses}, \text{Winnings})\). Your taxable amount is \(\text{Winnings} - \text{deductible losses}\). Estimated income tax is \(\text{Taxable} \times (\text{Marginal Rate} \div 100)\).

$$\text{Estimated Tax} = \left(\text{Winnings} - L\right) \times \frac{\text{Rate}}{100}$$

$$\text{where}\quad L = \min\!\left(\text{Losses},\; \text{Winnings}\right)$$

$$\text{Federal Withheld} = \text{Winnings} \times 0.24$$

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Federal withholding takes 24% of gambling winnings up front.

Worked Example

Suppose you won $5,000, had $1,000 in documented losses, and your marginal rate is 24%. Withholding = \(5{,}000 \times 0.24 = \) $1,200. Deductible losses = \(\min(1{,}000,\, 5{,}000) = \$1{,}000\). Taxable = \(5{,}000 - 1{,}000 = \$4{,}000\). Estimated income tax = \(4{,}000 \times 0.24 = \) $960.

Winnings minus itemized losses gives taxable winnings, taxed at your marginal rate.

FAQ

Is the 24% the final tax I owe? No. It is an estimated withholding. Your actual tax depends on your total income and bracket; you may owe more or get a refund.

Can I deduct more losses than I won? No. Deductible gambling losses are capped at your total winnings and require itemizing deductions.

Do small winnings get withheld? Withholding generally applies above certain reporting thresholds, but all winnings remain taxable income.