Calculate Accumulators, Lucky 15's, Each Ways, Doubles, Trebles and more. Supports EW, Bonuses, Dead Heats, Non Runners, Football and Horse Racing. Calculate bet returns for Accumulator, Lucky 15, Patent, Round Robin and 33 other bet types, with more settling options than any other online bet calculator. Quick Bet Calculators · Betting Glossary · Help · Accessibility. With this system bets calculator you can plan your system bets efficiently and during (or after) them you can calculate easily your winnings. To start again simply click the Home button joker symbol for help click the Help button. William Hill Promo Code. Bet successfully with the best system bets calculator! The Accumulator Fold Size is automatically updated to reflect changes to the Number of Selectionsbut you can perm Accumulators simply by reducing this value to the required fold size. Spurs and Liverpool win Tip 3: For each-way bets select the tick box on the right of the page if your selection has come .