Expected Value Calculator

Find out whether your bet is mathematically profitable long-term. Compare your odds vs fair odds, see your edge %, EV, and probability breakdown.

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YOUR EDGE

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You need two things: the odds you are getting, and your estimate of the fair probability.

1. INPUTS

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Odds Format

Implied Probability: —
%
Fair Odds: —
€

Leave blank to see edge per unit staked.

Enter your odds and fair probability above to see your edge.

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2-Minute Walkthrough

Understand EV, probability, and edge working together.

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Expected Value Betting Explained

The mathematics of edge and why +EV is the only thing that matters long-term.

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Next step

Found a +EV bet? Size it correctly with the Staking System Builder, then log it in the Bet Tracker to see your edge play out.

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Used by thousands of sharp bettors daily.

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