Expected Value (EV) Calculator

Compare the odds you are offered against your own fair estimate to see the expected value per dollar staked.

Odds format: Decimal Fractional American

Bet details

Offered odds

Stake $

Fair value

Basis

Fair odds

Result

Expected value

EV % of stake

Edge %

If it wins

Profit

Total payout

What this calculates

Expected value estimates the average result of a bet per dollar staked, given your own fair estimate of the true odds or probability. It describes the long-run average of many identical bets, not the outcome of any single one.