Lottery Winnings Calculator
Enter the advertised jackpot, the cash option, your tax year, filing status, and state to estimate federal and state taxes — and see approximately how much of a win you would take home.
Estimated Results
Estimated- Advertised Jackpot
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- Cash Value
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- Estimated Federal Tax
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- Estimated State Tax
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- Estimated Total Tax
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- Estimated Take-Home Amount
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Tax Details
Withholding is not your final tax — it is an advance payment credited against the estimated final liability below.
- Federal Withholding Held back when you are paid; credited against your final tax bill.
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- State Withholding Held back when you are paid; credited against your final tax bill.
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- Estimated Final Tax Liability Your estimated total tax bill — withholding counts toward this, it is not extra.
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- Effective Tax Rate Estimated total tax divided by the taxable amount.
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Estimates based on the amounts you entered and the selected tax year, filing status, and state. Federal tax is estimated using progressive brackets after the standard deduction; state tax uses a planning-rate estimate. Your actual tax bill will differ.
How We Calculate
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Start with the selected lottery amount. Enter the advertised jackpot and the cash option (or choose the annuity to estimate one annual payment).
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Determine the cash or taxable amount. For a lump sum, the cash option is the taxable amount. For an annuity, each annual payment is taxed in the year it is received.
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Apply applicable federal tax rules. Lottery winnings are taxed as ordinary income. The calculator subtracts the standard deduction for your filing status, then applies that year's progressive federal tax brackets.
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Apply applicable state rules. The calculator applies the state's configured planning rate. States that do not tax lottery winnings show $0 state tax. Local and city taxes are not included.
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Calculate estimated total tax. Estimated federal and state taxes are added together for the total estimated tax liability.
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Calculate estimated take-home amount. Estimated total tax is subtracted from the taxable amount. This is an estimate of final liability — withholding shown separately is what may be held back when you are paid, and it is credited against this liability.
Results are estimates for informational purposes only — not tax, legal, or financial advice. Your actual tax bill depends on your full tax return, the lottery's rules, and the laws in effect when you claim the prize.
Understanding your estimate
Advertised jackpot vs. cash value. The advertised jackpot is the total paid out over an annuity — usually 30 annual payments. The cash option is the lump sum you can take instead, and it is almost always much smaller. Taxes are estimated on the amount you actually receive: the cash option for a lump sum, or one annual payment for an annuity.
Federal tax. Lottery winnings are taxed as ordinary income at progressive rates — only the slice of income inside each bracket is taxed at that bracket's rate. The calculator first subtracts the standard deduction for your filing status, then applies the brackets for the selected tax year.
State tax. Each state sets its own rules. Some have no income tax, California exempts lottery winnings, and the rest tax winnings at their own rates. The calculator uses a top-marginal-rate planning estimate per state and flags any state whose data still needs verification.
Withholding vs. tax liability. When you claim a large prize, the lottery typically withholds 24% for federal taxes before you see a dollar. That withholding is an advance payment — it is credited against your final tax bill when you file. If your actual tax is higher, you pay the difference; if it is lower, you get a refund.
Why results are estimates. No calculator knows your full tax picture: other income, deductions, credits, local taxes, or how tax law changes before you claim. These numbers are a planning starting point — for a prize this size, a tax professional is worth every penny.
Lottery Calculator FAQs
How are the tax estimates calculated?
The calculator subtracts the standard deduction for your filing status from the taxable amount, then applies that tax year's progressive federal income tax brackets. State tax is estimated using the state's configured planning rate. Both are planning estimates, not a prediction of your actual tax bill.
Is the cash option or the annuity used for the tax estimate?
You choose. With the lump sum, the calculator estimates tax on the cash option as income received in a single year. With the annuity, it estimates tax on one annual payment — each yearly payment is taxed separately in the year you receive it, usually at lower rates than a lump sum.
What is the difference between withholding and my final tax bill?
Withholding is what the lottery holds back when you are paid — generally 24% for federal taxes on large winnings. It is credited against your final tax liability, not added to it. Your actual tax may be higher or lower than what was withheld, and the difference is settled when you file your return.
Why do some states show $0 state tax?
A few states do not tax lottery winnings at the state level — for example, states with no individual income tax, and California, which exempts lottery winnings from state income tax. Federal tax still applies everywhere. If a state's data needs verification, the results will say so.
Why might my actual winnings differ from this estimate?
Your real tax bill depends on your complete tax return: other income, deductions, credits, your actual filing situation, and the tax laws in effect when you claim the prize. State estimates use a top-marginal-rate planning figure and exclude local and city taxes. Treat every number here as a starting point for planning, not a final answer.