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Lottery Expected Value

True expected value of buying a lottery ticket

🎰Lottery Expected Value Calculator

e.g. 10000000

UK Lotto: 45,057,474

The expected value (EV) of a lottery ticket is the average return per ticket purchase, calculated as the jackpot divided by the odds of winning, minus the ticket cost. Almost all lottery tickets have negative expected value — they are, mathematically, a losing proposition.

Fun Fact

The UK Lotto returns about 45p for every £1 spent on average (before jackpots). Scratch cards typically return 60–65p per £1. No lottery offers positive expected value to the average player.

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