Expected Value Calculator

Calculate the expected value of any bet given offered odds and your estimated true probability.

When to Use

Use this skill when the user asks about:

• Expected value of a bet
• Whether a bet is +EV or -EV
• Is this bet worth taking at these odds
• Breakeven probability for given odds
• Comparing EV across multiple bets
• Finding the best value bets on a slate
• How much edge they have on a line

Odds Conversion Reference

Before computing EV, convert all inputs to decimal odds: