Calculates the lay stake and liability when taking advantage of bookmaker free bets and arbitrage opportunities.

Simply enter the following information:

1) The type of bet (Qualifier/arbitrage, Free Bet Stake Not Returned or Free Bet with Stake Returned)

2) The size of the bet with the bookmaker

3) The bookmaker odds (in decimal format)

4) The exchange lay odds (in decimal format)

5) The commission charged by the betting exchange (percentage)

Hit the calculate button and it will calculate the size of the lay stake on the betting exchange and your expected liability.

This calculator has been created as a guide only - we accept no liability for losses incurred from gambling or from using the Matched Betting app.