Betting calculator for arbing, trading & dutching

Arb Cruncher is a free online sports betting calculator that calculates the level-profit stakes for arbitrage betting, trading, dutching and synthetic Draw No Bet betting, as well as the returns from parlayed bets (multiples).

The Arb Cruncher calculator is currently only available on desktops, but there is a neat mobile-friendly version of our Back/Lay betting calculator at backlaybettingcalculator.com.