Work out how to guarantee a profit on bookmaker offers no matter what the outcome in 2 simple steps. Enter the details of your free bet and the price of the corresponding exchange lay. The calculator will then determine the size of the lay required to lock in a guaranteed fixed profit. If you were looking for bookmaker promotions see this free bets and offers page.

Enter free bet details

Enter the odds

Bet Summary

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Free bets and promo codes - Visit this page to find an offer suitable for use in the calculator. The usual process is to sign up, place a bet and then receive a free bet for the same amount, though this changes from bookmaker to bookmaker.

Bet winnings calculator - More interested in using your free bet in a run of the mill wager? The calculator can be used to work out how much any type of bet returns.