Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Betting Odds
Expected Value Betting Calculator
Calculate the expected monetary value of a bet — and across a series of identical bets — based on your true probability estimate versus the bookmaker's odds. Use it to identify which bets are genuinely profitable long-term.
Fill in the required fields to see your result.
Betting Odds
Arbitrage Betting Calculator
Identifies guaranteed profit from arbitrage opportunities by computing the optimal stake split across two bookmakers offering opposing sides of the same market. Use it whenever combined implied probabilities sum to less than 100%.
Fill in the required fields to see your result.
Key differences
| Expected Value Betting Calculator | Arbitrage Betting Calculator | |
|---|---|---|
| Category | Betting Odds | Betting Odds |
| Inputs required | 5 | 4 |
| Result | Expected Value ($) | Arbitrage Profit ($) |
| What it does | Calculate the expected monetary value of a bet — and across a series of identical bets — based on your true probability estimate versus the bookmaker's odds. Use it to identify which bets are genuinely profitable long-term. | Identifies guaranteed profit from arbitrage opportunities by computing the optimal stake split across two bookmakers offering opposing sides of the same market. Use it whenever combined implied probabilities sum to less than 100%. |