Lottery Annuity Calculator

Q: What does the 5% annual payout increase mean?

It means each year's payment is 5% larger than the year before. Your first payment is the smallest and your last payment is the biggest. Powerball and Mega Millions both use a 5% annual increase for their annuity payouts.

Q: Are the tax rates in this calculator exact?

No. The federal and state rates used here are simplified flat-rate estimates . Real taxes depend on your total income, deductions, filing status, and current tax law. The 24% withholding option reflects the standard amount the lottery holds back. The 37% option reflects the top federal bracket. Use a tax professional for exact figures.

Q: Why does the calculator show 24% and 37% as federal tax options?

The IRS requires lottery agencies to withhold 24% from winnings over $5,000. That is the minimum taken out at the time of payment. However, large jackpots almost always put winners in the top tax bracket of 37% . You would owe the difference when you file your tax return.

Q: Which states have no tax on lottery winnings?

States with a 0% lottery tax rate in this calculator include Alaska, California, Delaware, Florida, Hawaii, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Utah, Washington, and Wyoming. Puerto Rico and the U.S. Virgin Islands also show 0%.

Q: What does the inflation-adjusted column tell me?

It shows the buying power of each payment in today's dollars. For example, a $500,000 payment 20 years from now will not buy as much as $500,000 today. The inflation-adjusted figure tells you what that future payment is actually worth right now based on the inflation rate you entered.

Lottery Annuity Calculator

Updated Jul 20, 2026 By Jehan Wadia

Payment #▲	Calendar Year	Gross Payout	Federal Tax	State Tax	Total Tax	Net Payout	Inflation-Adj. Gross	Cumulative Gross	Cumulative Net
Totals	—	—	—	—	—

Payment #▲

Calendar Year

Gross Payout

Federal Tax

State Tax

Total Tax

Net Payout

Inflation-Adj. Gross

Cumulative Gross

Cumulative Net

Totals

—

Introduction

Winning the lottery is exciting, but it can be hard to know how much money you will actually take home each year. This lottery annuity calculator helps you figure that out. It breaks down your annual lottery payments year by year, shows how much goes to federal and state taxes, and tells you what you keep after taxes.

Most big lotteries like Powerball and Mega Millions pay winners in annual installments that grow over time. Each payment is a little bigger than the last. This calculator uses that growing payment structure to build a full payout schedule for you. Just enter your jackpot amount, pick your state, and choose your tax filing status. The tool does the rest. If you want a broader look at how much you owe the government on any prize, try our Lottery Tax Calculator.

You will also see how inflation affects the buying power of your future payments. A dollar today is worth more than a dollar 20 years from now. The inflation-adjusted column shows what each payment is really worth in today's dollars. On top of that, the calculator gives you a step-by-step breakdown of every formula it uses, so you can see exactly how the math works.

How to Use Our Lottery Annuity Calculator

Enter your lottery prize details and tax info below. The calculator will show you how much money you get each year, how much goes to taxes, and what your payments are worth after inflation.

Advertised Annuity Jackpot: Type in the total jackpot amount shown on the lottery. This is the full prize before taxes, not the cash option. You can enter up to $9,999,999,999.

Number of Payment Years: Enter how many years your annuity payments will last. Most big lotteries like Powerball and Mega Millions pay out over 30 years. You can pick any number from 2 to 40.

Annual Payout Increase (%): Enter the percentage each payment grows compared to the year before. Powerball and Mega Millions use a 5% annual increase. Set this to 0% if your payments stay the same every year. For help understanding how percentages work in financial growth, see our Percentage Calculator.

First Payment Year: Enter the calendar year you expect to receive your first annuity payment. This is usually the same year you win.

Assumed Annual Inflation Rate (%): Enter an inflation rate to see what your future payments are worth in today's dollars. A common estimate is 3%. This does not change your actual payout or tax amounts. Our Inflation Calculator can help you explore how purchasing power changes over time.

Federal Tax Filing Status: Pick your federal tax status from the dropdown. Choose "Withholding (24%)" to see the standard amount held back by the lottery, or pick your actual filing status to estimate taxes at the top bracket rate of 37%. For a deeper look at how income falls into different brackets, use our Tax Bracket Calculator.

State / Territory: Select the state or territory where you live. Each state has a different tax rate on lottery winnings. Some states like Florida and Texas have no state tax on prizes. You can explore rates for your location in more detail with our State Tax Calculator.

Click Calculate Annuity Payments to see your full results. You will get a summary of totals, a bar chart of yearly payments, a detailed year-by-year table, and a step-by-step breakdown of the math.

What Is a Lottery Annuity?

When you win a big lottery prize like Powerball or Mega Millions, you usually get two choices for how you receive your money: a lump sum (one big payment right away) or an annuity (smaller payments spread out over many years). A lottery annuity splits your total jackpot into yearly payments, often over 30 years. To understand annuities beyond the lottery context, our general Annuity Calculator covers standard fixed and growing annuity math.

How Lottery Annuity Payments Work

Most lottery annuities are growing annuities. This means each yearly payment is a little bigger than the one before it — usually by about 5% per year. Your first payment is the smallest, and your last payment is the largest. The total of all payments adds up to the full advertised jackpot amount.

For example, a $20 million jackpot paid over 30 years with a 5% annual increase starts with a payment around $307,000 in year one. By year 30, that payment grows to over $1.3 million. Every dollar of every payment is still subject to taxes. Use the Lottery Payout Calculator to compare how different jackpot sizes change your payout schedule, or check our Annuity Payout Calculator to model how regular annuity withdrawals work.

Taxes on Lottery Winnings

Lottery winnings are taxed as regular income. The federal government withholds at least 24% from each payment. If you are in the top tax bracket, you may owe up to 37% in federal taxes. Many states also take a cut. Some states like Florida, Texas, and California do not tax lottery prizes at all, while others like New York can take over 10%. Our Effective Tax Rate Calculator can help you understand what percentage of your total income actually goes to taxes.

Each annuity payment gets taxed in the year you receive it. This calculator shows you the federal tax, state tax, and net take-home amount for every single payment year. For game-specific tax estimates, check out the Powerball Tax Calculator or the Mega Millions Calculator. You can also use our Take Home Pay Calculator to see how lottery income compares to your regular paycheck after withholdings.

Annuity vs. Lump Sum

The lump sum (also called the cash option) is typically worth about 60% of the advertised jackpot. You get less money upfront, but you get it all at once. The annuity pays you the full jackpot amount, but spread over decades. Which option is better depends on your financial goals, your tax situation, and how you plan to invest. Our Lumpsum Calculator can help you model what a one-time investment might grow to over time.

If you take the lump sum and invest it, tools like the Compound Interest Calculator and the Investment Calculator can show you potential growth. You might also want to compare the Present Value Calculator and Future Value Calculator to weigh whether future annuity payments or a lump sum invested today gives you more spending power. For a complete side-by-side comparison of both options, see our Lottery Calculator.

Why Inflation Matters

Money loses buying power over time because of inflation. A dollar today buys more than a dollar will buy 20 years from now. This calculator includes an inflation-adjusted column so you can see what each future payment is really worth in today's dollars. Even with a 5% annual increase, high inflation can eat into the real value of later payments. To explore historical and projected inflation trends in more detail, visit our Inflation Calculator.

Formulas used

First-Year Payment (Growing Annuity, I > 0)

P_1 = \frac{W \cdot I}{(1 + I)^{T} - 1}

First-Year Payment (Equal Annuity, I = 0)

P = \frac{W}{T}

Payment in Year N

P_N = P_1 \cdot (1 + I)^{N - 1}

Net Payout per Year

\text{Net}_N = P_N - P_N \cdot (f + s) = P_N \cdot (1 - f - s)

Inflation-Adjusted Gross Payment

\text{Real}_N = \frac{P_N}{(1 + r)^{N - 1}}

Effective Combined Tax Rate

\text{Effective Rate} = \frac{\sum_{N=1}^{T} \text{Tax}_N}{\sum_{N=1}^{T} P_N} \times 100\%

Estimated Cash Lump-Sum Value

\text{Cash} = W \times 0.60

Frequently asked questions

How does this lottery annuity calculator work?

You enter your jackpot amount, number of payment years, annual increase rate, tax details, and state. The calculator uses a growing annuity formula to find each yearly payment. It then subtracts federal and state taxes from every payment to show your net take-home amount. It also adjusts each payment for inflation so you can see its real value in today's dollars.

What is the growing annuity formula used in this calculator?

When the annual increase rate is above 0%, the first-year payment is calculated as:
P₁ = (Jackpot × Growth Rate) ÷ ((1 + Growth Rate)^Years − 1)
Each later payment equals the prior year's payment multiplied by (1 + Growth Rate). All payments added together equal the full advertised jackpot.

What does the 5% annual payout increase mean?

It means each year's payment is 5% larger than the year before. Your first payment is the smallest and your last payment is the biggest. Powerball and Mega Millions both use a 5% annual increase for their annuity payouts.

Why is my first annuity payment so small compared to the jackpot?

Because the payments grow each year, the first one must start low so all payments added together equal the full jackpot. With a 5% increase over 30 years, the first payment is only about 1.5% of the total prize. The growth structure front-loads less money and back-loads more.

What is the estimated cash value shown on the calculator?

The cash value is a rough estimate of what you would get if you chose the lump sum option instead of the annuity. This calculator uses 60% of the advertised jackpot as an approximation. The actual cash value set by lottery officials may differ.

Are the tax rates in this calculator exact?

No. The federal and state rates used here are simplified flat-rate estimates. Real taxes depend on your total income, deductions, filing status, and current tax law. The 24% withholding option reflects the standard amount the lottery holds back. The 37% option reflects the top federal bracket. Use a tax professional for exact figures.

Why does the calculator show 24% and 37% as federal tax options?

The IRS requires lottery agencies to withhold 24% from winnings over $5,000. That is the minimum taken out at the time of payment. However, large jackpots almost always put winners in the top tax bracket of 37%. You would owe the difference when you file your tax return.

Which states have no tax on lottery winnings?

States with a 0% lottery tax rate in this calculator include Alaska, California, Delaware, Florida, Hawaii, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Utah, Washington, and Wyoming. Puerto Rico and the U.S. Virgin Islands also show 0%.

What does the inflation-adjusted column tell me?

It shows the buying power of each payment in today's dollars. For example, a $500,000 payment 20 years from now will not buy as much as $500,000 today. The inflation-adjusted figure tells you what that future payment is actually worth right now based on the inflation rate you entered.

What inflation rate should I use?

A rate of 3% is a common long-term estimate for the United States. You can raise or lower it based on your expectations. The inflation rate does not change your gross or net payout. It only changes the inflation-adjusted column to show real purchasing power.

Can I use this calculator for Powerball and Mega Millions?

Yes. Both Powerball and Mega Millions pay annuities over 30 years with a 5% annual increase. Enter the advertised jackpot, set years to 30, set the increase to 5%, and pick your state. The calculator will build the full payout schedule for either game.

What happens if I set the annual increase to 0%?

Every payment will be the same amount. The calculator simply divides the total jackpot by the number of years. This is called a level annuity. Most big U.S. lotteries do not work this way, but some smaller lotteries or state games may use equal payments.

Does the calculator account for city or local taxes?

No. This tool only includes federal and state taxes. Some cities, like New York City, charge an additional local tax on lottery winnings. You should add any local taxes separately when planning your finances.

Can I sort the year-by-year table?

Yes. Click any column header in the table to sort by that column. Click it again to switch between ascending and descending order. A small arrow shows which column is sorted and in which direction.

What does the effective combined tax rate mean?

It is the total tax paid divided by the total gross payout, shown as a percentage. It combines both federal and state taxes into one number so you can see what share of your winnings goes to taxes overall.

How accurate is the 60% cash value estimate?

It is a rough approximation. The real cash value depends on current interest rates and bond yields at the time of the drawing. When interest rates are high, the cash value percentage tends to be lower. When rates are low, it can be higher than 60%. Always check the lottery's official cash value for accuracy.

Do lottery annuity payments count as regular income?

Yes. The IRS treats lottery winnings as ordinary income. Each annual payment is added to your income for that tax year. This usually puts jackpot winners in the highest federal tax bracket.

What is the maximum jackpot I can enter?

You can enter a jackpot up to $9,999,999,999 (just under $10 billion). The minimum is any amount greater than $0.

Can I change the first payment year?

Yes. You can set the first payment year to the current year or up to 10 years in the future. This lets you model a payout schedule that starts at a specific time.

What do the cumulative columns in the table show?

The Cumulative Gross column shows the running total of all gross payments received up to that year. The Cumulative Net column shows the running total of all after-tax payments. These help you see how much total money you have received at any point during the payout.

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