Personal finance

Mega Millions Payout Calculator

Enter the advertised jackpot, the cash value percentage and your tax rate to see your Mega Millions payout both ways.

  • Free
  • No sign-up
  • Updated for 2026

Jackpot & tax

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Enter the jackpot, cash value and tax rate to compare your options.

Worked example

With these example inputs:

  • Advertised jackpot$200,000,000
  • Cash value55%
  • Tax rate37%

Lump sum after tax: $69,300,000

  • Lump sum before tax$110,000,000
  • Annuity total after tax$126,000,000
  • Annuity per year after tax$4,200,000

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What this Mega Millions payout calculator does

This calculator finds your lump sum after tax. You enter the jackpot, the cash value, and your tax rate. The tool then shows both payout options. So you see the cash and the annuity side by side. It strips tax from each one. You see the result in your currency.

Lump sum versus annuity

A jackpot pays out in two ways. The lump sum is one smaller cash payment now. The annuity pays the full jackpot over thirty years. So the annuity total is larger before discounting. The lump sum trades size for cash today. This tool compares both after tax.

How it is calculated

The tool takes the cash value of the jackpot. It then removes your tax rate from it. That gives the lump sum after tax. So a higher tax rate shrinks your cash. A bigger jackpot lifts every figure. The result is your lump sum after tax.

What the result tells you

The result shows your lump sum after tax. A two hundred million jackpot at a thirty-seven percent rate leaves about sixty-nine million. A higher tax rate cuts it. A bigger jackpot raises it. So it shows the cash actually in hand. It is a rough estimate only.

The advertised jackpot

The advertised jackpot is the headline prize. It is the full annuity value over thirty years. The cash option is always smaller. So this number is the starting point. Use the jackpot from the draw. It anchors the whole calculation. Enter your advertised jackpot.

The cash value

The cash value is the lump sum share. It is a percent of the advertised jackpot. It is the prize paid as one payment. So this number sets the cash before tax. Use the cash percent the lottery posts. It shifts with interest rates. Enter your cash value percent.

The tax rate

Your tax rate is the cut taken by tax. It blends federal and any state tax. A higher rate leaves you less. So this number sets how much is withheld. Use your top combined rate. A big win often hits the top bracket. Enter your tax rate.

The annuity option

The tool also shows the annuity after tax. It pays the full jackpot in yearly sums. Here that totals about one hundred twenty-six million. Each yearly payment is shown as well. So the annuity total beats the cash. But the cash gives you the money now.

How to use it

Enter your advertised jackpot first. Add the cash value and your tax rate. Read the lump sum after tax in your chosen currency. Then compare it to the annuity. See which total suits you. Try a different tax rate. Use it to weigh the choice.

The limits of this calculator

It has a few clear limits. It uses one flat tax rate. Real tax is tiered and complex. It ignores state rules and future law. It does not weigh the time value of money. So use it as a guide. So check with a tax adviser.

A final tip

Use this to weigh a jackpot choice with care. Remember the cash is far less than the headline. Use your true combined tax rate. Compare the cash to the annuity total. Think about the time value of money. Do not decide on the figure alone. A careful choice needs real advice.

Frequently asked questions

How is a Mega Millions payout calculated?

The cash option is a percentage of the advertised jackpot paid as one sum, while the annuity pays the full jackpot over 30 years. Both are then reduced by federal and any state tax.

Which option do most winners take?

Most winners choose the lump sum to control and invest the money themselves. The annuity offers a steady, guaranteed income and spreads the tax across many years.