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Expected Value Calculator
Useful Tools Built By Curious Idiots

Bet Details

Expected Value
Expected Profit / Loss
Break-Even Probability
Profit If Bet Wins
Loss If Bet Loses

What Does the Result Mean?

Enter your wager details to calculate expected value.

What is Expected Value (EV)?

Expected Value estimates the average outcome of the same decision repeated many times under the same probabilities.

Why Can a Positive EV Bet Still Lose?

Expected value describes a long-term average. A single outcome can still lose because individual results are uncertain.