OddsRX • Free Betting Tool

Expected Value Calculator

Expected value estimates the average profit or loss of a bet if the same edge were repeated many times. Positive EV means your projected probability is better than the market break-even price.

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Calculator

Expected Value Calculator

Free Tool

American odds

Your projected win probability (%)

Stake ($)

Expected value—

EV ROI—

Profit if win—

Responsible-use note

OddsRX tools are for informational and educational purposes only. They are not financial, investment, legal, or gambling advice. Odds and probabilities do not guarantee outcomes or profits. Use responsibly and only where lawful.