Arb Cruncher is a multi-purpose sports betting calculator that calculates the stakes to win level profits from arbing, trading, dutching, laying, lay dutching and each way dutching.

Arb Cruncher also contains some handy betting calculators for hedging against the draw, calculating winnings from permed bets, obtaining the Back equivalent of Lay prices, finding the implied probability of prices, position squaring and much more.

All in all, Arb Cruncher contains 11 betting calculators that will help you exploit a wide range of profitable betting opportunities:

* Multiback - Arbing an underround book. Back all selections for a guaranteed profit, whatever the outcome.

* Dutching - Back a few selections so that you earn the same amount if either wins.

* Multilay - Laying an overround book. Be the bookmaker and lay all selections for a guaranteed profit.

* Lay dutching - Lay losers for a level profit - if none of them wins!

* Back/Lay - Trading on a price rise. Exploit price rises on the betting exchanges for a level green book. Trading on a price fall. Exploit price falls on the betting exchanges for a level green book.

* Arbing Back and Lay prices - Arb Back and Lay prices on different betting sites for a guaranteed profit.

* Dutch Each Way - Each way dutching (on the win). Back a few selections each way so that you win a level profit if one of them wins.

* Each way dutching (on the place) - Back a few selections each way so that you win a level profit if one of them is placed.

* Draw No Bet - Hedging against the draw. Back the win and the draw so that you profit from the win and break even with the draw.

* Parlay - Calculating your winnings from multiple bets. Calculate the potential payout from permed selections.

* Position Squarer - Squaring a profitable position. Trade a winning selection into a breakeven position (P&L=0). Squaring a loss-making position. Trade a losing selection into a breakeven position (P&L=0).

* Permutator - Perming. Calculate the number of available permutations.

* Price Invertor - Inverting Lay prices. Calculate the Back equivalent of Lay prices.

* Layer's Aid - Liability analysis. Calculate your liability on Lay bets. Calculating how much you can afford to lay. Calculate the largest backer's stake that you can lay for a given liability.

* Probability Price - Implied probability analysis. Calculate the implied probability of any given price. Price setting analysis. Calculate the correct price for any probability.