Calculate optimal lay stakes and guaranteed profit for back/lay matched betting across any bookmaker and exchange.
Work out the best lay stake to extract maximum value from free bets, bonus credits, and refund offers.
Find the ideal hedge stake when a bookmaker pays out early on a 2-up market, locking in profit regardless of the final result.
Instantly convert between fractional, decimal, American (moneyline), and implied probability odds formats.
Spread stakes across multiple selections so each returns the same profit — perfect for offers requiring a qualifying bet on any outcome.
Calculate progressive lay stakes for accumulators or sequential bonus bets, keeping liability under control at every stage.
Calculate lay stakes for the win and place parts of an each-way bet to guarantee a profit regardless of where the horse finishes.
Estimate expected value and optimal stakes when a bookmaker is paying an extra place on a race — a core matched betting edge.
Calculate stakes for race-specific refund promotions (e.g., money back if your selection finishes 2nd) to guarantee a net profit.
Handle any conditional refund promotion — enter the refund condition and the calculator works out the ideal lay stake.
Work out lay stakes for Double Delight and Hat-trick Heaven scorer promotions to lock in a profit before kick-off.
A reference sheet for finding and laying all bet-builder combinations, helping you extract value from bookmaker bet-builder bonuses.
