Treble Bet Calculator – How to Work Out a Treble Bet

Ian Bruce

Senior Editor

Updated: 12 February 2024

You can use our treble bet calculator to work out how much a successful treble will return from your bookmaker. This calculator is free to use for any sport and can handle both win-only and each-way trebles with ease. It can even calculate horse racing trebles for dead heat results and those with Rule 4 deductions.

What is a Treble Bet?

A treble bet allows you to predict the outcome of three different events in a single wager. It’s a bet that can be made at all of the best betting sites in the UK and on all sports. Win trebles are always possible, and if you bet in markets that pay for places, you can also place each-way trebles. Let’s take a moment to explain the difference.

When you make a win treble bet, you will only get a return if all three of your selections win. Those who enjoy betting on tennis, for example, might predict the winner of three different matches. All three players must win those matches for the bet to succeed.

With an each-way treble, you are making two bets. One is a win-only treble as just described and the other is a place-only treble. The latter will give you a return as long as each of your three selections gets a place.

For example, when betting on horse racing, you might try to predict the winner in each of three different races. If all three horses win, both parts of the each-way treble will succeed. If one or more of your selections fail to win but still get a place, only the place part of the each-way treble would succeed. And if one or more horses don’t even place, the whole bet will lose.

Why Make a Treble Accumulator Bet?

A treble is actually an accumulator bet. That means the odds of each selection are multiplied together and then applied to your stake when the bet is settled. A winning treble would therefore win you a lot more than three winning singles.

To illustrate, let’s imagine that you want to bet on three horses at odds of 1/1, 2/1 and 5/2. If you were to bet £5 on each as win singles, they would return £10, £15, and £17.50, respectively. That’s a total return of £42.50 for a total outlay of £15, which is a profit of £27.50.

Now let’s consider what would happen if you were to bet on all three of those same horses in a £5 treble. That trebles bet would give you a total return of £105 for a £5 outlay, which is a profit of £100. And if you were to bet £15 on the treble, you get back £315!

So, to return to the question of why make a treble, the answer is profit potential. A treble involves more risk than betting singles, but you’ll make a lot more profit when you succeed (see the value behind multiples in this study).

How to Work Out a Treble Bet

You’ve just seen how easy it is to use our treble bet calculator. It’s also very quick, with all of the numbers being crunched for you in a fraction of a second. But what if you want to work out the expected returns of a treble without a treble calculator? In that case, you’ll need to set aside some time and work through the numbers manually. Here are the formulas that you’ll need:

Treble Win Bet Calculation

The easiest type of treble to calculate is the win-only, and the formula is as follows:

Where A, B, and C are the odds (in decimal format) of your three selections and S is your stake.

For example, let’s say that you like to bet on darts and you’ve put a £5 treble on three players at odds of 2.00, 1.80 and 1.90. In that case, you would calculate:

Treble Each Way Bet Calculation

You’ll recall that an each-way bet is really two bets, so it needs to be calculated as such. For the win part, you should use the win bet formula that we discussed a moment ago. For the each-way part, the formula to use is:

Where FA, FB and FC are the fractions of the odds obtained, in decimal format, and S is your stake. 

For example, we’ll now imagine that you prefer to bet on greyhound racing. We’ll say that you’ve bet £5 each way on three dogs in a treble at odds of 4.0, 5.0 and 6.0 and that the place terms are 1/4 the odds. After applying that fraction to the odds you took, you get FA, FB and FC figures of 1.75, 2.00 and 2.25. Your treble bet calculation would be:

This is how much your each-way treble bet would return in total if one or more dogs only manage to get a place. If they all win, you’d get the return from the win part as well, so don’t forget to add that.

As you can see, each-way bets are more complicated to figure out. And both types of bets can be further complicated by dead heats and Rule 4 deductions. For those reasons, we’d always recommend using a treble each way calculator rather than working things out manually.

Additional Free Bet Calculators

The treble bet calculator featured here is just one of several bet calculators that we provide. They’re all free to use, and our range includes a horse bet calculator, an accumulator bet calculator and even a Rule 4 calculator. You’ll find more details and links to all available apps on our Free Bet Calculator page.

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Ian Bruce

Senior Editor

Ian Bruce joined Safest Betting Sites in 2024 as Senior Sports Editor to oversee the quality and usefulness of its gambling content. He originally developed an interest in betting after landing a winning Yankee on his first attempt. He then spent years figuring out how to replicate that success. Along the way, he became one of the UK’s leading writers on the topic of betting and gaming. Ian’s career has now spanned more than three decades, and his enthusiasm for systematic and responsible betting hasn’t waned one bit. However, his preferred approach to winning these days is Dutching, for the simple reason that “It’s a lot easier than landing Yankees.”

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