Lottery Calculator

Use this Lottery Calculator to estimate lottery payouts, taxes, lump-sum cash values and 30-year annuity payments for Powerball, Mega Millions and other lottery jackpots. Enter the advertised jackpot and cash option, choose your state and filing status, and see estimated federal withholding, federal income tax, state tax, take-home winnings and a full year-by-year annuity payout schedule.

The advertised lottery jackpot and the amount you actually receive can be very different. Large jackpots are usually advertised as the total value of an annuity paid over many years, while the cash option is a smaller amount available immediately. Taxes can reduce either option further. This calculator lets you compare the numbers side by side instead of guessing how much of a lottery jackpot you may actually keep.

How to Use the Lottery Calculator

Start by choosing Powerball, Mega Millions or Other Lottery. The Powerball and Mega Millions presets automatically use 30 annuity payments with a 5% annual increase, which matches the standard jackpot annuity structure used by both games.

Next, enter the advertised jackpot. This is the large jackpot amount normally shown in lottery advertising. For example, if the jackpot is advertised as $500 million, enter 500000000.

If the lottery publishes an official cash option, enter it in the Official Cash Option field. Using the official cash value is much more accurate than estimating it from a percentage because the cash value changes with interest rates, securities prices and the amount of money available in the jackpot prize pool.

If you do not know the official cash option, set that field to zero and use the Estimated Cash Value percentage. The calculator will multiply the advertised jackpot by that percentage to create a planning estimate.

Choose your 2026 federal tax filing status and enter other taxable income you expect to have before adding lottery winnings. This is important because federal income tax is progressive. A winner who already has substantial taxable income can have more of the prize taxed in higher brackets than a winner who has little other taxable income.

Select a state to load a rough 2026 state income-tax rate. You can edit that percentage manually. This is intentional because state lottery rules can differ from ordinary state income-tax rules and may depend on where the ticket was purchased, where the winner lives and the type of prize.

You can also enter an optional local income-tax percentage. This is useful for residents of cities or counties that impose additional income taxes.

Finally, choose the number of annuity payments, annual payment increase and the discount rate used for comparing the present value of future annuity payments. Press Calculate Lottery Payout to generate the results and the complete payment schedule.

How the Lottery Calculator Works

This calculator performs several different calculations at the same time because a large lottery jackpot cannot be explained accurately with one percentage.

First, it separates the advertised jackpot from the cash option. The advertised jackpot generally represents the total nominal value of all annuity payments. The cash value represents the money available for a one-time payment.

Second, the calculator estimates federal withholding. Under current federal rules, qualifying lottery proceeds greater than $5,000 are generally subject to 24% regular federal gambling withholding.

Third, it estimates actual federal income tax using the 2026 federal tax brackets rather than incorrectly treating the 24% withholding rate as the winner’s final federal tax rate.

Fourth, it applies the state and local percentages entered into the calculator. State tax is displayed separately because state rules vary substantially across the country.

Fifth, the calculator creates the annuity payment stream. With a 30-payment, 5%-growth jackpot, the first payment is smaller and each later payment is 5% larger than the previous payment. The 30 payments add back to the advertised annuity jackpot.

Finally, the calculator estimates the present value of the after-tax annuity payments. Present value is useful because $1 million received 20 or 30 years from now does not have the same economic value as $1 million available today.

Advertised Lottery Jackpot vs. Cash Value

One of the most common misunderstandings about large lottery jackpots is assuming the advertised number is the amount a winner can immediately deposit into a bank account.

If Powerball advertises a $1 billion jackpot, that $1 billion generally represents the total value of the annuity payments over the full payment schedule. A winner who chooses the cash option receives a smaller amount.

The difference exists because the annuity is funded over time. The lottery can use the cash available in the prize pool to purchase securities that generate the future payments required to reach the advertised jackpot value.

The cash option therefore changes from drawing to drawing. There is no permanent rule that a lottery cash option always equals 50%, 45% or any other exact percentage of the jackpot.

When you know the official cash option, always enter it directly into the calculator. The cash-percentage input should mainly be used when you are modeling a hypothetical jackpot or when the official value is not available.

You can use our Percentage Calculator if you want to calculate the percentage difference between a lottery’s advertised jackpot and its published cash option.

Lottery Tax Calculator

Lottery prizes are generally taxable income in the United States. For a very large jackpot, federal income tax can be one of the largest reductions between the advertised prize and the amount ultimately retained by the winner.

The calculator separates federal withholding from estimated federal tax because they are not the same thing.

The amount withheld when the prize is paid is similar to money withheld from a paycheck. It is a payment toward the winner’s eventual income-tax liability.

The winner’s final tax liability is calculated when the tax return is prepared and depends on total taxable income, filing status and other tax information. For enormous jackpots, a significant amount of the winnings can fall into the highest federal income-tax bracket.

Our calculator estimates the incremental federal income tax produced by the lottery prize. It calculates federal tax before the prize, federal tax after adding the prize and uses the difference as the estimated federal tax attributable to the lottery winnings.

This approach is more realistic than multiplying every prize by 37%, especially for smaller lottery winnings where portions of the prize may remain in lower federal brackets.

Federal Tax on Lottery Winnings

Federal income tax in the United States is progressive. Moving into a higher tax bracket does not cause every dollar of income to be taxed at that higher rate. Only the portion of taxable income inside that bracket receives that marginal rate.

For 2026, the federal individual income-tax brackets range from 10% to 37%. The exact income thresholds depend on filing status.

For a very large jackpot, a significant portion of the winnings will generally extend into the 37% bracket. For a smaller prize, the effective tax percentage may be considerably lower because the winnings are spread across several brackets.

The calculator supports Single, Married Filing Jointly and Head of Household filing statuses. Entering other taxable income makes the calculation more useful because it determines how much room remains in the lower brackets before the lottery winnings are added.

For example, imagine a single filer already has substantial taxable income before winning. The prize begins filling tax brackets from that existing income level. Another winner with no other taxable income begins at the bottom of the federal tax schedule.

The calculator uses the 2026 federal tax schedules for planning. You can review current federal gambling withholding rules in the IRS Instructions for Forms W-2G and 5754.

Why the 24% Lottery Withholding Is Not the Final Tax Bill

Federal lottery withholding is commonly misunderstood. The fact that 24% may be withheld from a large prize does not mean a winner’s federal income tax is permanently capped at 24%.

Regular federal gambling withholding is generally 24% on qualifying lottery winnings when the winnings minus the wager exceed $5,000.

Withholding is essentially a tax prepayment. When the winner later files a federal income-tax return, the actual tax is calculated using the income-tax system. The withholding amount is then credited against the tax liability.

If the estimated federal tax on the prize is larger than the amount withheld, the winner may need to pay additional federal tax. If too much was withheld, the winner could potentially receive a refund depending on the rest of the tax return.

The calculator therefore displays both numbers: estimated federal withholding and estimated federal income tax. It also shows the difference between the two.

Lottery Tax Calculator by State

State taxes make lottery calculations more complicated because the rules are not identical across all 50 states.

Some states do not levy an individual income tax. Others use a flat income-tax rate, while many states have graduated tax brackets that increase as income rises.

The state dropdown in this calculator loads a broad planning rate based primarily on current 2026 state income-tax rates. For states with graduated systems, the calculator uses a high marginal rate suitable for modeling a very large jackpot.

This should not be confused with an exact state lottery tax calculation. Lottery-specific exemptions, credits, deductions, residency rules, withholding percentages and the state where the winning ticket was purchased can change the actual result.

That is why the State Tax Rate field remains editable after you choose a state. If an official state lottery or tax agency provides a more appropriate percentage for your situation, replace the preset with that number.

Local taxes can matter too. Certain cities and counties impose additional income taxes. Use the Local Tax Rate field when applicable instead of assuming the state percentage represents every tax outside the federal system.

States With No Broad Individual Income Tax

Several states do not impose a broad individual income tax. For 2026, these include Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas and Wyoming. Washington taxes certain capital gains rather than ordinary wage and salary income.

A zero state-income-tax environment can make the difference between federal tax and total tax much smaller than it would be in a state with a high marginal income-tax rate.

However, lottery taxes can involve specific state laws, so a zero general income-tax rate should still be verified against the rules that apply to the winning ticket and winner.

Powerball Calculator

The Powerball preset turns this page into a Powerball payout calculator. Enter the advertised Powerball jackpot and the official cash value published for the drawing.

Powerball jackpot winners can generally choose between a cash option and an annuity. The Powerball annuity consists of one immediate payment followed by 29 annual payments. Each payment is 5% larger than the previous payment.

That means a $1 billion Powerball annuity is not divided into thirty equal payments of $33.33 million. The first payment is considerably smaller and later payments become progressively larger.

The calculator uses the geometric-growth formula required to create thirty payments that increase 5% each year while adding back to the advertised jackpot.

The official Powerball FAQ explains the cash and annuity options and confirms the 5%-increasing payment structure.

Powerball Tax Calculator

To use this as a Powerball tax calculator, choose Powerball and enter the jackpot and official cash option. Then choose your federal filing status and state.

The results separate the cash value from federal withholding, estimated federal income tax and state or local tax.

This distinction is particularly important for very large Powerball jackpots because the 24% federal withholding amount can be significantly lower than the estimated federal tax created by a huge lump-sum cash prize.

If you are comparing different tax percentages manually, our Simple Math Calculator can also be used for basic addition, subtraction and percentage-related arithmetic.

Mega Millions Calculator

The Mega Millions preset uses the same basic annuity structure: one initial annual payment followed by 29 additional annual payments, with each payment 5% larger than the previous payment.

The Mega Millions cash option is a one-time payment based on the cash in the jackpot prize pool. Like Powerball, the cash option can be much lower than the advertised annuity jackpot.

If a Mega Millions jackpot is advertised at $500 million but the official cash value is $230 million, enter $500 million as the jackpot and $230 million as the cash option. Do not assume the cash option is automatically one-half of the advertised jackpot.

The calculator then estimates taxes on the $230 million cash option while separately creating the thirty-payment schedule that totals approximately $500 million before tax.

Lottery Payout Calculator

A lottery payout calculator answers a different question from a lottery odds calculator. This tool does not calculate the chance of winning a ticket. It calculates what happens financially after a prize amount is known.

The payout calculation begins with the gross prize and then accounts for the difference between the advertised annuity value and the immediate cash option.

Taxes are then estimated separately. This produces a more useful number than simply taking the advertised jackpot and subtracting 24%.

For the cash option, the main result displayed at the top of the results section is the estimated take-home amount after modeled federal, state and local income taxes.

For the annuity, the calculator creates each individual payment and estimates taxes for that payment. It then totals all the annual after-tax amounts.

Lottery Lump Sum Calculator

A lottery lump sum is the one-time cash option offered instead of receiving the advertised jackpot through the annuity schedule.

The lump sum is often dramatically smaller than the advertised jackpot. That does not mean the lottery is taking away the difference. The advertised jackpot represents future annuity payments, while the cash option represents the current money available to fund those future payments.

The lump-sum calculator shows the percentage of the advertised jackpot represented by the cash option. This makes it easy to compare different drawings.

If the advertised jackpot is $1 billion and the cash option is $450 million, the cash option equals 45% of the advertised jackpot.

The calculator then estimates federal and state income tax on the cash amount rather than on the full advertised annuity figure.

Lottery Annuity Calculator

A lottery annuity spreads the jackpot across a sequence of future payments instead of paying the winner the cash value immediately.

For Powerball and Mega Millions, the standard structure uses 30 total payments. The first payment is made immediately and the next 29 are paid annually.

Each payment is 5% larger than the previous payment. The increasing structure is designed to make the annual payments grow over time rather than remain fixed for three decades.

The calculator determines the first payment using a geometric series. Once the first payment is known, every later payment is calculated by multiplying the previous year’s amount by 1.05 when the growth rate is 5%.

The total of all payments equals the advertised jackpot value, subject to rounding.

30-Year Lottery Annuity Payout Calculator

The phrase “30-year lottery annuity” can be slightly confusing because there are thirty payments but only twenty-nine one-year gaps after the first immediate payment.

The first payment is received when the prize is claimed. Payment two arrives roughly one year later, and the schedule continues until the thirtieth payment.

If each payment increases by 5%, the final payment can be several times larger than the first payment.

For example, a first payment of approximately $1 million would grow to more than $4 million by payment thirty when increased 5% each year.

The schedule generated by this calculator displays the gross payment, 24% federal withholding estimate, estimated federal tax, estimated state and local tax and estimated take-home amount for every payment.

The future tax calculations use 2026 federal brackets for comparison purposes. Real tax brackets, laws and the winner’s financial circumstances can change substantially over thirty years.

Lottery Lump Sum vs. Annuity

Choosing between a cash option and annuity is one of the biggest decisions a jackpot winner can face. The two choices should not be compared simply by looking at the advertised jackpot and cash option.

The lump sum provides a smaller amount immediately. The annuity provides a larger total nominal amount over many years.

Taxes can also occur at different times. With the lump sum, a huge amount of taxable income may be recognized in one year. With an annuity, taxable lottery income is spread across many tax years.

Future investment returns are another consideration. Money received immediately could potentially be invested, but investment returns are uncertain and can be negative. The annuity provides a structured payment stream but reduces immediate access to the entire prize.

Estate planning, spending habits, creditor issues, tax law changes, inflation and personal financial discipline can also matter.

This calculator does not choose one option for you. It displays the estimated cash take-home, nominal after-tax annuity total and present value of the estimated annuity so the financial differences are easier to understand.

Present Value of a Lottery Annuity

Adding together thirty future payments does not account for the time value of money. Present value converts future payments into an estimated equivalent value today using a discount rate.

If you choose a 5% discount rate, a payment received ten years from now is discounted more heavily than a payment received today.

The calculator discounts every estimated after-tax annuity payment back to the present. The first payment is immediate, so it is not discounted. Later payments are divided by the discount factor associated with the number of years before they are received.

The discount rate is not a guaranteed investment return. It is simply an assumption used to make money received at different times more comparable.

If you want to model how an immediate lump sum could grow after investing, use our Investment Calculator.

You can also use the Compound Interest Calculator to see how a lottery cash payout could hypothetically grow at different annual rates over ten, twenty or thirty years.

Lottery Winnings Examples

The examples below are simplified illustrations. The real cash option, federal tax, state tax and final take-home amount depend on the actual lottery, drawing and winner.

How Much Do You Get After Winning $1 Million?

A $1 million lottery prize does not necessarily leave a winner with $1 million to spend. Federal income tax applies, and state or local tax may apply as well.

If the $1 million amount is a cash prize rather than an advertised annuity jackpot, the federal withholding may initially remove 24% where regular lottery withholding applies. That would represent approximately $240,000 of federal withholding before considering the ticket cost.

The final federal tax is not automatically $240,000. The winner’s filing status and other taxable income determine the actual federal tax calculation.

A winner in a state with income tax may also owe state tax. Someone living in a state without broad individual income tax could have a substantially different net payout from someone subject to a high state rate.

How Much Do You Get After Winning $10 Million?

At $10 million, most of the federal taxable prize will fall into high federal income-tax brackets.

A 24% withholding on approximately $10 million would be around $2.4 million, but the estimated final federal tax can be higher because a large portion of the winnings reaches the top federal marginal bracket.

State tax can further reduce the payout. A 5% state tax assumption applied to $10 million represents roughly another $500,000 before considering progressive state brackets, deductions or special lottery rules.

Use the calculator rather than subtracting a single percentage so you can see withholding and estimated final tax separately.

$100 Million Lottery Payout After Taxes

A $100 million advertised jackpot can produce a much smaller immediate payout because the cash option may represent only a portion of the advertised annuity amount.

Suppose a hypothetical $100 million jackpot has a $45 million cash option. The winner choosing cash begins with $45 million rather than $100 million.

Federal withholding may then remove roughly 24% of the taxable cash prize at payment. Estimated final federal income tax may be higher, and state or local income taxes may reduce the payout further.

For a winner in a high-tax state, the estimated after-tax cash payout could be dramatically lower than both the $100 million advertised jackpot and the $45 million cash value.

$500 Million Lottery Payout

A $500 million jackpot illustrates why the advertised number should never be treated as the immediate payout.

If the cash value were $225 million, the winner choosing the lump sum would be taxed on approximately $225 million rather than receiving the full $500 million and then paying tax on it.

The annuity winner would instead receive the $500 million across the scheduled payments before tax. Under a 5%-growth thirty-payment structure, the later payments would be substantially larger than the early payments.

$1 Billion Powerball or Mega Millions Payout

A billion-dollar jackpot sounds like an immediate billion-dollar payment, but the cash option can be less than half of the advertised annuity value during some interest-rate environments.

If a hypothetical $1 billion jackpot has a $450 million cash option, the lump-sum winner starts with $450 million before tax.

Federal withholding at 24% would be approximately $108 million on a taxable cash amount near $450 million. That does not necessarily satisfy the winner’s entire federal tax liability.

At that income level, most of the taxable prize is exposed to the highest federal marginal rate. State tax can add tens of millions of dollars more depending on the jurisdiction.

The annuity side would distribute the advertised $1 billion over thirty increasing payments before tax. The calculator shows all thirty payments so you can see how dramatically the later checks differ from the first one.

How Lottery Annuity Payments Are Calculated

When annuity payments increase at a constant percentage, they form a geometric series.

If the first payment is P and every annual payment grows by 5%, the second payment is P × 1.05. The third payment is P × 1.05², and the pattern continues.

The thirtieth payment is:

The first payment must be calculated so the sum of all thirty payments equals the advertised jackpot.

For a general growth rate r and number of payments n, the geometric-series factor is:

The first annual payment is the advertised jackpot divided by that factor.

If the growth rate is zero, the calculator simply divides the jackpot equally among the number of payments entered.

Why Lottery Cash Values Change

Lottery cash options are not fixed percentages because the money required today to fund future annuity payments changes with financial conditions.

Interest rates are one of the biggest factors. When securities can earn higher yields, less money may be required today to fund the same stream of future payments.

When interest rates are lower, more cash may be required to fund a particular advertised annuity jackpot.

Ticket sales and final jackpot funding also matter. Advertised jackpots and cash values are estimates until the drawing and associated accounting are complete.

This is why the calculator gives priority to the Official Cash Option field. If you know the official number, use it.

Lottery Winnings and Other Income

Your existing taxable income can affect how much additional federal income tax the lottery winnings produce.

Imagine two single winners who each receive the same $500,000 taxable lottery prize. One already has $200,000 of taxable income and the other has no other taxable income.

The winner who already has $200,000 of income begins adding the lottery prize much farther up the federal tax brackets. More of the prize can therefore fall into the higher marginal brackets.

The Other Taxable Income field is included specifically to model this effect.

If you only know your gross salary rather than taxable income, remember that the two numbers are not necessarily identical. Federal deductions and other adjustments can reduce taxable income.

For ordinary employment income calculations, you can compare salary and deductions with the Paycheck Calculator.

Lottery Withholding on Annuity Payments

Choosing an annuity does not make lottery winnings tax-free. Each payment can be taxable when it is received.

The IRS instructions specifically address installment lottery payments and indicate that installment payments can be subject to regular gambling withholding when the total proceeds from the winning wager exceed the applicable threshold.

The calculator therefore displays a 24% federal withholding estimate for each annual payment when the total jackpot proceeds exceed $5,000.

It then performs a separate federal tax estimate for the payment using the filing status and other taxable income entered into the calculator.

Real tax law can change many times during a thirty-year annuity. The future-year rows should therefore be treated as a consistent planning illustration rather than a prediction of tax law decades from now.

Is the Lottery Annuity Worth More Than the Cash Option?

In nominal dollars, the advertised annuity amount is generally much larger than the cash option. That is why a jackpot might be advertised as $1 billion while its cash option is hundreds of millions lower.

Nominal dollars received decades apart are not directly comparable. Inflation reduces purchasing power over time, while money available today can potentially earn investment returns.

Present value is one way to make the comparison more meaningful. The calculator discounts each future after-tax payment using the rate you enter.

A higher discount rate reduces the calculated present value of future annuity payments. A lower discount rate makes future payments appear closer in value to money received today.

No single discount rate is objectively correct for every winner because investment choices, inflation expectations and risk tolerance differ.

Could You Invest the Lottery Lump Sum?

A lump-sum winner has immediate access to the after-tax cash and may choose to invest part of it. That creates potential for growth, but investment returns are not guaranteed.

A portfolio that averages a positive return over decades can grow substantially through compounding. A poorly managed portfolio can also lose significant value.

If you want to model a hypothetical investment return, use the Investment Calculator or Compound Interest Calculator linked earlier. Try several return assumptions instead of assuming an unusually high return will continue every year.

For a very large prize, investment fees, taxes, asset allocation, estate planning and risk management can matter more than a small difference in calculator assumptions.

What to Consider After Winning the Lottery

A major lottery prize can create financial decisions that most people have never faced before. The first priority should not be finding ways to spend the money quickly.

Large winners often need specialized legal, tax and financial advice before claiming or distributing the prize. The claiming rules, privacy rules and deadlines can differ by jurisdiction.

A winner may need to decide whether to claim individually, through an eligible legal structure or as part of a group. The options depend on the lottery and state law.

Estate planning becomes especially important when a prize is worth tens or hundreds of millions of dollars. Beneficiary planning, trusts, wills and gifting strategies can have major consequences.

Investment planning is another major issue. A portfolio containing hundreds of millions of dollars does not need extraordinary returns to generate substantial income.

For long-term planning, our Retirement Calculator can illustrate how different starting balances and withdrawal assumptions affect future income, although jackpot-sized finances normally require professional planning well beyond a general online calculator.

What Happens If an Annuity Winner Dies?

Lottery annuities do not necessarily disappear if the winner dies before receiving every payment.

For major multistate jackpots, remaining payments can generally continue to the winner’s estate or designated beneficiaries according to the applicable lottery rules and estate arrangements.

The tax and estate consequences can become complicated, especially for very large remaining payment streams. This is another reason major jackpot winners generally need qualified estate and tax professionals.

Lottery Winnings for Groups and Office Pools

Lottery pools add another layer of complexity because the jackpot belongs to multiple people rather than a single winner.

The prize may need to be allocated among group members, and tax reporting should reflect the ownership of the winning ticket rather than treating one person as the owner of the entire prize when that is not the reality.

If ten people own equal shares of a $10 million cash prize, the economic share is $1 million per person before tax. The actual reporting and payment process depends on the lottery and the documentation used by the group.

Large pools should document ownership before claiming the prize rather than relying on an informal verbal agreement after winning.

Lottery Taxes for Non-U.S. Winners

Non-U.S. citizens and nonresident aliens can face different federal withholding rules from U.S. citizens and resident aliens.

This calculator is built around the standard U.S. resident federal income-tax model and the 24% regular lottery withholding framework. It should not be used to estimate the final U.S. tax liability of a nonresident alien.

Treaties, residency status and the country where the winner lives can significantly change the analysis.

Can a Canadian Win Powerball or Mega Millions?

A non-U.S. resident can potentially win a U.S. lottery if they legally purchased an eligible ticket, but taxes and claiming requirements may differ substantially from those for a U.S. resident.

A Canadian winner could potentially face U.S. withholding and Canadian tax considerations depending on the circumstances. The U.S. resident tax calculation built into this tool should not be treated as a cross-border tax calculation.

For a cross-border jackpot, professional advice from someone experienced with both U.S. and Canadian tax rules would be much more appropriate than relying solely on a general lottery calculator.

Why Lottery Tax Calculators Give Different Answers

Two lottery calculators can produce very different answers even when they start with the same jackpot.

One calculator may incorrectly subtract 24% and call the result the after-tax payout. Another may apply 37% to the entire prize. Another may include state tax but ignore the difference between the advertised jackpot and cash option.

Some calculators also assume the annuity is divided into thirty equal payments even though Powerball and Mega Millions use increasing payments.

This calculator separates these issues so you can see the assumptions individually: jackpot, cash value, withholding, estimated federal tax, state tax, local tax, annuity growth and discount rate.

If any assumption does not match the lottery you are researching, change it rather than treating a default number as universal.

Common Lottery Calculator Mistakes

• Using the advertised jackpot as the lump sum: The cash option is normally smaller.
• Calling 24% the final federal tax rate: It is generally a withholding rate, not necessarily the final liability.
• Ignoring other taxable income: Existing income affects which federal brackets the prize fills.
• Ignoring state taxes: State tax can materially reduce the payout.
• Ignoring local taxes: Some cities and counties impose additional income taxes.
• Dividing the jackpot by 30: Major jackpot annuities can use increasing annual payments rather than equal installments.
• Assuming the cash option is always 50%: The percentage changes with each jackpot and financial conditions.
• Comparing future dollars directly with today’s dollars: Present value provides another way to compare an annuity with immediate cash.
• Using a state top rate as exact tax: State tax systems can have brackets, exemptions and special lottery rules.
• Assuming tax law will remain unchanged for 30 years: Annuity tax estimates decades into the future are necessarily uncertain.

Why Use This Lottery Calculator?

A large jackpot has several numbers that are easy to confuse. The advertised jackpot, official cash option, check received after withholding, final after-tax lump sum and total annuity value can all be different.

This calculator puts those numbers together in one place. It can be used as a lottery tax calculator, lottery payout calculator, Powerball calculator, Mega Millions calculator, lump sum calculator and 30-year lottery annuity calculator.

The full payment schedule also makes it possible to see how the annuity changes year by year instead of displaying only a single total.

Try entering several jackpot amounts and cash options. You can quickly see how a $10 million jackpot differs from a $100 million or $1 billion jackpot after taxes.

Lottery Calculator Frequently Asked Questions

Final Thoughts

A lottery jackpot has more moving parts than the enormous number shown on television or at the top of a lottery website. The advertised jackpot, cash option, federal withholding, final federal income tax, state tax and actual take-home amount can all be very different numbers.

The annuity side can be just as confusing. Powerball and Mega Millions do not simply divide the advertised jackpot into thirty equal checks. Their jackpot annuities use one initial payment followed by 29 annual payments that increase 5% each year.

Use the Lottery Calculator to compare the lump sum with the annuity, estimate taxes, inspect every annual payment and see how state taxes can change the final payout. When the lottery publishes an official cash value, enter that exact amount rather than relying on the percentage estimate.

For very large prizes, online calculations should be treated as a starting point rather than the final answer. Tax rules, residency, estate planning, investment strategy and claiming procedures can have effects worth millions of dollars. The larger the jackpot, the more important it becomes to verify every assumption before making a payment election or claiming the prize.