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Arbitrage Calculator 2026: Sports Betting Arb Calculator

Last Updated on 20/07/2026
Fact checked by: Jordan Noble

Arbitrage Calculator: Calculate How to Guarantee A Profit

Our arbitrage calculator has been designed to work out how punters can make a guaranteed profit in a two or three-way betting market. It allows you to enter odds of two or more bets from separate bookmakers to see what your profit would be and the amount you should be placing. If your return on investment is negative, then that is a surefire way of telling you not to take the bet.

Arbitrage Calculator



This guide will help you navigate the minefield that is arbitrage betting. Our arbitrage calculator does all the hard work for you. All you need to do is search through bookmakers to find the odds and the calculator will do the rest.

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What Is An Arbitrage Calculator & The Purpose Of Use?

Arbitrage betting is becoming more and more popular and it is where a punter bets on a series of events that will see a profit made no matter the outcome of the bet.

Arbitrage bets take advantage of the discrepancies in different bookmakers prices and in turn ensures the bettor makes a successful bet.

When it comes to using an arbitrage calculator all you need to do is add the odds of any two or three-way market from different bookmakers. The calculator will then work out how much you need to stake in order to guarantee a profit on that bet. The best UK bookmakers will have plenty of markets available to set you on your betting journey.

Main Purpose Of An Arbitrage Calculator

Arbitrage betting can also be known as arb betting, surebets, miraclebets and surewins. An arb happens when bookmakers take a different view on the outcome of a sporting event. The aim is to find a decent sized variance between the bookmakers in order to claim a profit regardless of the result.

Using football as an example, in a standalone match you have three selections - home win, away win and a draw.

Three strategies are calculated:

  1. Bet on the selection you think has the best value
  2. Attempt to return same profit regardless of outcome
  3. To return a profit if your selection win and no monetary loss if it doesn’t

The arbitrage calculator will do all the working out for you and show you exactly how much you need to stake and your potential payout winning.

How To Calculate Arbitrage Payouts

After you have entered two or more bets into the arbitrage calculator as well as your stake, it will automatically split your stake between the bets based on the odds you put in earlier. The calculator will then show you your potential payout total.

Although it is a lot simpler to use an arbitrage calculator, some bettors prefer to do it manually. It is more time-consuming but it is still an option.

Arbitrage is calculated based on the two lines you intend to play. Let’s use the NFL as an example for this one. Team A can be backed at 1.67 (Decimal odds) and Team B is on offer at 2.75. You can see there is a points discrepancy so there is an arbitrage opportunity.

  • If you back £150 on Team A to win £100, you will receive a total payout of £250
  • If you bet £90.93 on Team B to win £160, you will receive a total payout of £250
  • Total risk = £150 + £90.93 = £240.93
  • Profit = £250 - £240.93  = £9.07

How To Use Our Arbitrage Calculator

  1. Open up our arbitrage calculator
  2. Select which odds format you desire - fractional, decimal or American - you can compare the odds format with an online odds calculator
  3. Click on the number of selections you want to use - It has to be at least two
  4. Tick the bias button to highlight which selection you feel has the best chance of winning
  5. Type in the odds you have found in the Highest Odds box
  6. Enter the amount you wish to stake
  7. Press Calculate Strategies
  8. You will then receive a breakdown of the bet to give you a heads up on what you need to stake in order to return a profit

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Arbitrage Selections

When you were checking out the arbitrage calculator, you will have probably been confused by the different sections being shown. Here, I will explain what they all mean.

Odds format

This drop down menu has the three main odds formats for you to choose from. You can select fractional, decimal or American odds. It is entirely your decision which you use as the calculator will automatically detect the change in format.

Selection

At first sight there will be five slots for your betting selections. You have to use one and two as they are mandatory, but it is up to you if you fill in the rest. You can add more selections if you want to compare more than five.

Include

You will need to tick or untick the include boxes for the number of selections you have. For a line bet you will have two boxes ticked, but for a standalone football bet you would need three.

Bias

In the bias section, you will need to click on the selection that you believe has the best chance of winning. A breakdown will appear with your potential payouts with biased and unbiased markets.

Highest Odds

You will need to enter the highest odds you have at your disposal for your bet into each selection.

Top Bookies For Your Next Arbitrage Bet

Other Calculations We Offer - Take A Look

Accumulator Calculator

An accumulator calculator combines several single bets into one large bet. This is a stress-free and trustworthy way of working out your potential returns without making any mathematical mistakes.

Dutching Calculator

Dutching is a betting method that is used across many live sporting events with a wide range of markets. The dutching calculator essentially allows you to divide your betting stake across different selections to help minimise any potential loss and to make a profit no matter the outcome of the match.

Tricast Calculator

A tricast betting calculator allows you to quickly and simply work out any potential returns from a tricast bet. Tricast bets are predominantly used in horse racing meetings. This sees bettors backing three horses to finish in the correct order.

Asian Handicap Calculator

Our Asian handicap calculator allows you to calculate what profit or payout you will receive on all your Asian handicap bets. One benefit of Asian handicap betting is you can increase the odds of winning thanks to more options. The Asian handicap calculator makes this easy to do.

Parlay Calculator

A parlay is a single bet that links two or more selections together in return for a higher payout potential. Our parlay calculator can add up to 20 selections at a time and covers all major sports. Parlay betting is mainly used on sports in the United States.

Hedging Calculator

Hedging bets is a strategy used to try and claim a guaranteed profit if the odds have moved before kick-off. The hedging calculator informs you of how much money to back or lay to ensure that profit.

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Arbitrage Calculator Is Complicated But Worth It

On the surface, arbitrage betting feels like learning a different language. Yes, it is complicated at first trying to understand all the different calculations, but once you get the hang of it and you start to make a profit, the headaches will be worth it.

Overall, if arbitrage betting is the route you want to go down, then you cannot go wrong with using this arbitrage calculator. It takes away all the heartache of doing it manually. The results will be 100% correct with no margin for error.

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❓ What is Arbitrage betting?

Arbitrage betting is a system where you bet on each outcome of a match, so that you return a profit no matter what the end result is.

🧮 What Is An Arbitrage Calculator?

An arbitrage calculator is a tool aimed at reducing your stress levels. Punters have to enter in their betting stake and two or more odds relating to the game they are betting on and it will calculate the stake needed on each bet to return a profit. 

⚽ How Does An Arbitrage Calculator Work In Sports Betting?

You compare the odds from different bookmakers on a specific game you are wishing to bet on. Type in those odds into the arbitrage calculator along with your stake and the calculate will do the rest.

👎 Are There Any Risks In Arbitrage Betting?

There are risks in every form of betting. This form of betting is legal, but some bookmakers are not fans of the system. If you go overboard and it is obvious what you are doing, some bookmakers will close your account.

❌ Can I Use The Same Bookmaker For My Arbitrage Bet?

Arbitrage bets are made to make a profit, so you need to use two different bookmakers. Betting with the same company on the same game is not an arbitrage bet.

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