Sportsbook ↔ Exchange Odds Converter

Convert between Sportsbook, Exchange Back and Exchange Lay odds. Also calculate equivalent stakes while accounting for Exchange commission.

Exchange commission: 2.00% · change in Settings

Sportsbook Back◀

No commission · net of 2.00% vs Exchange

Exchange Back▶

Same outcome · gross price

Exchange Lay◀

Opposite outcome · gross price

Formulas

Back ↔ Lay (no commission): L = b / (b−1), B = l / (l−1)

Exchange Back → Sportsbook: S = (b−1)·(1−c) + 1

Sportsbook → Exchange Back: b = (S−1)/(1−c) + 1

c = 0.02 (commission on net winnings)

Converts Sportsbook odds into equivalent Betfair Exchange Back or Exchange Lay odds (and vice versa), while accounting for Exchange commission. Useful for comparing bookmaker and exchange prices, evaluating value, and preparing Kelly staking calculations.

Information only. Check all calculations before placing bets. Odds and market conditions may change. Bet Tools HQ accepts no responsibility for losses arising from reliance on these results.