Expected Value Calculator
Calculate your profit margin over the sportsbook. Compare your odds to fair odds to determine if a bet has positive expected value (+EV).
Your Bet
The amount you're betting
The odds you're getting on your bet
Fair Win Probability
Use no-vig fair odds from sharp sportsbooks or your model's prediction
Fair Odds Reference (Optional)
No-vig fair odds from sharp sportsbooks (optional)
Expected Value Betting Tips
🎯 What is Expected Value?
Expected Value (EV) measures your profit margin over the sportsbook. Positive EV bets are profitable in the long run.
📊 Finding Fair Odds
Use no-vig fair odds from sharp sportsbooks or your own model's predictions to determine true win probability.
✅ +EV Betting
Only place bets with positive expected value. Even small edges compound over time to significant profits.
💰 Long-term Focus
EV betting is about long-term profitability. Individual bets may lose, but +EV bets win over time.