Expected Value (EV) Calculator
Compare the offered odds with your own probability estimate to identify value bets.
Expected Value (EV)
6.25
Fair Odds
2.22
Edge
12.5%
Based on your estimate, this is a theoretically positive-value bet.
About this tool
- Enter your stake, the offered decimal odds, and your own true-probability estimate (%).
- Expected value = (probability × odds × stake) − stake. A positive value indicates a theoretical value bet.
This calculator applies standard industry formulas. It is not financial advice and does not guarantee profit; always gamble responsibly.