Lay Bet Calculator
Calculate Liability & Profit From Exchange Lay Bets In One Click.
Use our free Lay Bet Calculator to work out potential profit and liability when placing lay bets on betting exchanges like Betfair, Smarkets or Matchbook. Enter your stake, lay odds and commission rate to see exactly what you stand to gain or risk. Ideal for traders, hedgers or anyone managing liabilities with exchange betting strategies.
🎯 How does it work?
Our Lay Bet Calculator helps you work out the potential profit and liability when placing lay bets on an exchange. Just enter your stake, lay odds and the commission rate charged by the platform.
We’ll calculate your liability (the amount at risk) and your profit after commission, giving you a clear picture of what you stand to gain or lose from each bet. You can add multiple lay bets and see the totals stack up.
✅ Tip: Use this to track your exposure across multiple lays or test out different staking strategies before placing real bets.
FAQ's
A: A lay bet is when you bet against something happening – for example, betting that a team won’t win. You’re acting as the bookmaker - if the selection wins, you pay out (your liability). If it doesn’t, you win the stake (minus commission).
A: Because lay bets involve calculating both liability and commission. This tool shows you exactly what’s at stake so you can manage your bankroll and plan your bets more effectively.
A: Liability is the amount you risk when placing a lay bet. It’s calculated as (Lay Odds - 1) × Stake. If the selection wins, this is what you stand to lose.
A: No problem. You can add as many bets as you like – our Lay Bet Calculator will show profit and liability for each one, as well as a combined total.
A: Yes – betting exchanges usually charge a small % on winnings. Our calculator lets you include your commission rate so you get a true picture of your potential profit after fees.
Want us to do the hard work for you?
Cut through the noise. We do the research, run the numbers and select only the bets that stack up - backed by logic, not hunches.
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