Free online sports betting calculator for arbing, trading & dutching


Arb Cruncher is an online sports betting calculator that calculates level-profit stakes for arbitrage betting, trading and dutching. Packed with 17 betting calculators, it also performs many other useful calculations for Asian handicap betting, price inversion, implied probability, permutations, the Kelly criterion and much more.

The free Arb Cruncher calculator is shown below and is available for your immediate use. Select your betting calculator from the dropdown menus beside Multiback or Position Squarer and just enter your bet details in the white input boxes. Please don't hesitate to us if you have any queries.


Open Arb Cruncher betting calculator in popup window

Google Chrome Users


Chrome 76 now blocks Flash by default, but it's easy enough to re-enable Flash. All you have to do is click on the blocked plugin icon in the address bar (Chrome's Omnibox) and select Manage and then Ask First. You will then be able to click Click to enable Adobe Flash Player above to activate the calculator.

Different types of level-profit betting
Arbing: Exploitating existing price differentials for a guaranteed profit.
Trading: Betting on price movements for a level profit (greening up).
Dutching: Backing multiple selections for a level profit if either wins.
Quick guide to main calculators
Multiback: Back an overround book or dutch winners.
Multilay: Lay an underround book or dutch losers.
Back/Lay: Arb Back and Lay prices or trade on price movements.
Draw No Bet: Create your own synthetic DNB bet.

Enhanced Back/Lay calculator with profit breakdown


In response to the popularity of Arb Cruncher's greening-up Back/Lay calculator, we have released an enhanced version that provides a detailed breakdown of the profit and commission figures for same-market and cross-market calculations. We hope this will give you a better understanding of the inner workings of back/lay arbing and trading on betting exchanges.

Visit www.backlaybettingcalculator.com.

Open enhanced Back/Lay betting calculator in popup window


How to trade on price movements
To trade on a price rise, lay first and back later after the price has lengthened.
To trade on a price fall, back first and lay later after the price has shortened.
The most lucrative type of trading is same-market trading on a price rise from a very short price.
How to arb Back and Lay prices
To arb Back and Lay prices, back a selection in one exchange/bookie and lay it simultaneously at a higher price in another exchange. You therefore can't arb Back and Lay prices in the same market.
Most Back/Lay arbs occur when bookies are slow to shorten their coupon prices.

Other recommended sites


To make your arb betting even more profitable, visiting sites like freebetshub.com can help when you use free bets and bookies betting offers. We would also like to recommend our own brief guide to matched betting.

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