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Mega Millions Calculator -- 2025 Rules
Introduction
The calculator will calculate the odds for the Mega Millions, or any similar game based on the same format of five regular balls and one extra ball.
The defaults shown are the fixed prizes for all wins except the jackpot. The win for the jackpot shown is the reseed amount of $50 million.
The return column shows the ratio of the expected win to the amount bet for each event. In other words, the relative value of that prize to the amount bet. The total return in the lower right cell is the overall expected return of the, before considering taxes, the time value of annuity payments, and jackpot sharing.
Buy Lottery Tickets Online
| Name | Jackpot | Buy Tickets | |
|---|---|---|---|
|
SuperEnalotto | € 67,600,000 | Tickets |
|
Euro Millions | € 17,000,000 | Tickets |
|
La Primitiva | € 14,200,000 | Tickets |
|
Lotto | £ 11,400,000 | Tickets |
|
El Gordo | € 10,300,000 | Tickets |
|
Lotto | € 6,000,000 | Tickets |
|
Lotto 6/49 | CA$ 9,000,000 | Tickets |
|
Oz Lotto | AU$ 10,000,000 | Tickets |
|
Lotto 6aus49 | € 4,000,000 | Tickets |
|
Powerball | AU$ 6,000,000 | Tickets |
|
FDJ Loto | € 3,000,000 | Tickets |
|
Thunderball | £ 500,000 | Tickets |
|
Mega Millions | $ 346,000,000 | Tickets |
|
Lotto | $ 4,400,000 | Tickets |
|
Lotto | $ 4,500,000 | Tickets |
|
Hoosier Lotto | $ 20,000,000 | Tickets |
|
SuperLotto Plus | $ 62,000,000 | Tickets |
|
Hot Lotto | $ 9,100,000 | Tickets |
|
Powerball | $ 307,000,000 | Tickets |
Rules
The following rules are based on the rules effective April 5, 2025.
- The cost of a ticket is $5.
- The player will choose 5 White Balls from 1 to 70, and one Mega Ball from 1 to 24.
- Twice a week, the Lottery will randomly choose the same number of balls from the same ranges.
- The pay table is shown in the default values of the calculator below.
- The jackpot starts at $50 million and grows by a percentage of sales with every drawing that nobody wins the jackpot.
- For no additional cost, the game shall randomly draw a multiplier, known as the Megaplier.
- If the Megaplier is invoked, any win will be multiplied by a random multiplier, except the top prize.
- The Megaplier is determined electronically. However, it equates to choosing one of 15 outcomes, with the following distribution per multiplier: 2x: 15, 3x: 10, 4x: 4, 5x: 2, 10x: 1. This equates to an average multiplier of 3.0.
Calculator
The default values are currents wins (as of April 5, 2025). The wins should be before applying the Megaplier.
Disclaimer: The values in the return column do not reflect taxes, the time value of annuity payments, and jackpot sharing. These all play a significant effect of lowering the overall value. I find there the relationship between jackpot size and ticket sales is exponential, causing the value of a ticket to be significantly reduced due to jackpot sharing. In short, the Mega Millions is never remotely close to a good bet.
Lotteries
Games
Related Reading
- Lottery — General page.
- Buy Lotto Online in 2025
- Are Lottery Players Smart? - Do the US states with better lottery returns tend to have a greater loss per resident than the states in which the lotteries return more poorly?
- COVID and the Lottery
- The Lottery Sucks - A Comprehensive Lottery Report
- The Lottery (Still) Sucks!
- Former Ask the Wizard questions about the lottery
Calculators
- Powerball calculator — Calculate for odds for the Powerball, or any lottery with five "white balls" and one "Power Ball."
- Pick Six calculator — Calculate for odds for any "pick six" game.
- SuperLotto Plus — California Lottery game.
- Lottery Jackpot Ticket Sales Calculator — Estimate ticket sales and probability of a winner for any jackpot size for the Power Ball and MegaMillions.