Arbitrage Betting Calculator 2025: How to Use This Free Sports Betting Tool

Last Updated on 14.04.2025

An arbitrage betting calculator is an essential tool for any savvy bettor. In this short guide, I’ll show you why and how one could make your betting experience better by putting you in a theoretical win/win position.

I’ll take you through the steps to use one, and outline the situations where they might be of use. If you’re thinking these are just for experienced bettors to use, I’ll show you why they can be used to help even the newest of bettors. In short, you’ll know how and when you use a sports arbitrage calculator.

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Sports arbitrage calculator - pros and Cons

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Pros & Cons
  • Easy to use
  • Can be used by all bettors
  • Can put you in a theoretical win/win situation
  • Need to enter data carefully
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Using a free sports betting arbitrage calculator

Who wouldn’t want to be in a position where they could not lose? In life generally, it happens rarely, and in sports betting you might not think it could happen at all. However, there is a technique known a s arbitrage - or ‘arbing’ that can make this entirely possible, although I need to say right at the start the profits are typically very small compared to the stakes involved. In short it’s a technique that involves placing bets on all possible outcomes of an event at odds that guarantee a profit, regardless of the result. While the idea is simple the practice is not, and finding  and making the right bets can be very complex. While it can’t help you with finding the opportunities, once you have the data, our free sports betting arbitrage calculator can do some of the hard work for you.

For example

You are betting on a football match between Team A and Team B. They are quite closely matched and Sportsbook A has Team A at 2.10 to win, and Sportsbook B thinks differently has Team B at 2.10 to win. If you place a $100 bet on each - you’ll end up with a profit

ResultSportsbook BSportsbook AProfit
Team A winsLose $100Win $110$10
Team B winsWin $110Lose $100$10

What is an arbitrage betting calculator?

The arbitrage betting calculator is a tool tailor made for you to calculate the optimal stakes to place on each possible to put yourself in a win/win situation. Unlike a hedge bet calculator which might be used after placing one bet and then go looking for some insurance by placing another, with arbing you go looking for opportunities in advance and place your wagers accordingly. You use the discrepancies of odds across various Sportsbooks and, if you have access to them, betting exchanges, to create this situation, and then the calculator to ‘do the math’. You input the data from each of the potential wagers and it will tell you how much to put on each outcome to create a profit, and how much that profit might be.

Enter your odds carefully

As you can see, like all of our betting calculators, the calculator is quite intuitive to use and you enter the odds for each bet and then just let the calculator do the rest. As I mentioned in the pros and cons at the start, the only real problem here is if you enter any data incorrectly, so always double check your inputs if you want the result to be right. This will be doubly important if you are using it as a 3 way arbitrage calculator, as there will be extra information to enter.

Who can use an arbing calculator?

The short answer is anyone, but I’ve set out below the two main types of bettor who might find an arbing calculator useful.

  • Bettors who use arbitrage every day - some bettors just look for arbing opportunities regardless of sport or location, and they will find a calculator the most useful. Odds change quickly so being able to input data and see if there is the right amount of profit at a glance can be invaluable.
  • Causal or new bettors looking for lwin/win opportunities - new bettors might be looking for ways to bet but with no risk, and can use arbing calculators to see if a bet fits the bill. They might also use it to compare two opportunities to see which is the best for their betting style.

Conclusion - using a free sports betting arbitrage calculator can put you in a win/win position

While doing a similar job as a dutching calculator, our arbitrage betting calculator can help put you in a position where you have a guaranteed profit. Once you have found your opportunity, the calculator can tell you how much you need to place on each bet to make it profitable. As you can see it’s easy to use making it a prospect for both new and experienced bettors, and an indispensable tool if you want to take your sports betting a little more seriously.

Of course, this is not the only calculator here in the betting school, and you find one for almost everything you need and I suggest you take a look. This goes from just working out your possible returns to putting together a long term strategy using our Betting ROI calculator to help you see if it will be profitable for you or not.

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Arbitrage betting calculator FAQs

🤔 What is ‘arbing’?

Arbitrage betting ot ‘arbing’ is using the discrepancies in odds between bookmakers to bet on all possible outcomes of an event and leave yourself a guaranteed profit. It can take a lot of research to find an opportunity, and you’ll need a free sports betting arbitrage calculator to help you with the maths.

🧮 How do you use an arbitrage betting calculator?

They might vary slightly in design, but you enter the odds from each of the bets you wish to place and the calculator will do the rest. You can use the one over at Sports Gambler for free, or just to see how it works.

📌 Is using an arbitrage betting calculator simple?

Yes, using the calculator is simple, as you only have to input some number and press a button. However,  finding arbing opportunities can take time and research.

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