Matched Betting Calculator / Arb Calculator

The matched betting calculator below can be used to automatically calculate how much you will need to lay on the betting exchange to balance out the bet on the bookmaker. If you are new to the world of arbitrage and matched betting I would recommend starting with the free no risk matched betting Australia guide.

The free matched betting calculator below has a built in function to help you save the data from your bets into an excel spreadsheet. This is great from tracking profits on your matched betting journey.

Matched Betting Calculator and Arb Calculator

Back Bet


Lay Bet

Lay stake required: $ 0.00
Your lay stake is
$ 0.00
("The amount needed in the exchange") Your liability will be
$ 0.00
If the Bookmaker Bet wins, your overall position will be
$ 0.00
If the Exchange Lay wins, your overall position will be
$ 0.00
Total profit: $ 0.00
Bet Type
Free Bet
Back Odds
B Comm (%)
Back Return
Lay Odds
L Comm (%)
Lay Risk
Lay Stake
get betting log (.csv)

Free Stuff

After completing the sign up bonus bets and making a tidy profit. To continue making money each week I’d recommend you try out the premium Bonusbank service.

You can get a free 7-day trial here by using the code HORSEPOWEROZ to check out their premium matched betting service. Their daily promotion plays made over $12,000 last yearYou can read my bonusbank review to see if it’s for you.

This Matched Betting Calculator can be used for your bonus bets, qualifier losses and as a regular arb calculator.

This matched betting calculator has been specifically been created to back and lay bets for bookmakers v betting exchanges. If you would like to play several bookmakers against each other, you can find the free dutching calculator.

If you came here from the 8 step tutorial and have any questions about the arb calculator before or after placing your bet feel free to contact me at

If you are new to matched betting or unsure how we make risk-free profits using bonus bets and the matched betting calculator / arb calculator above then check out the free No Risk Matched Betting Guide to get started.

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Matched Betting Calculator & Arb Calculator
Article Name
Matched Betting Calculator & Arb Calculator
The Matched Betting Calculator & Arb Calculator is used for all matched betting and arb calculations. Use it along with all of our free guides and tutorials to make risk free profits from bookmaker bonus bets!
Publisher Name
Matched Betting Oz
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