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Expected Value Calculator: Calculate EV on Your Bet

Enter your bet odds and estimated true probability of winning to calculate the expected value.

Bet Odds
American Odds
Estimated Win Probability (%)
Bet Amount

Results

Expected Value (EV)

$0.27

EV as Percentage

+0.27%

Expected ROI

+0.27%

✓ This is a +EV bet

Find Profitable Bets Before the Market Does

Odds Assist Pro scans sportsbooks and prediction markets around the clock to find +EV bets, arbitrage, middles, sharp line movement, and more. Stop guessing and start betting with a statistically profitable edge.