Decimal Odds To Fractional Odds

12.03.2021by

If the fractional betting odds being offered are 2/1, then the decimal equivalent will be shown as 3.00. In the former, 2/1 means that you receive a £2 win for every £1 you bet on this selection. The key point is that this does not include your stake, which you also get back if you win the bet.

Decimal - 1 divided by the decimal odds, multiplied by 100 to give a percentage e.g. Decimal odds of 2 = (1/2). 100 = 50%.; Fraction - 1 divided by (the fractional odds plus 1), multiplied by 100 to give a percentage. Fractional odds of 3/1 = (1 / ((3/1) + 1)). 100 = 25%.; American: Positive odds - 100 divided by (the american odds plus 100), multiplied by 100 to give a percentage e.g. Converting Fractional Odds to Decimal Odds: An easy way to convert fractional odds to decimal odds is to convert the fraction into decimal form and then add a 1. For example, 5/1 or five-to-one fractional odds would be 6.00 in decimal odds. 5 / 1 = 5+1 = 6.00. Fractional odds are the ratio of the amount (profit) won to the stake; Decimal odds represent the amount one wins for every $1 wagered; and American odds, depending on the negative or positive sign, either indicate the amount one needs to wager to win $100 or the amount one would win for every $100 staked. The main difference being decimal odds consider your original stakebeing returned, whereas fractional odds are a display of your profit. Decimal odds of course, are just a simple multiplier to your original stake. If an event at odds of $5.00 wins, you will receive back 5x your stake.

Click here to convert any odd between the different formats and see the probability it represents.

Stake + profit = payout

The first thing to understand is the difference between payout and profit. When you put a bet on you give your stake to the sportsbook. If you win the sportsbook will give you your stake back and pay you your profit. You can’t count getting your stake back as profit because it was yours to begin with.

If you bet 1 m฿ at even money and the bet wins

Stake1
Profit1
Payout2

Decimal odds

Decimal odds are the most common odds format in the modern era. Decimal odds are great because they are simple and let you do calculations easily. Think of it like the metric system, it is superior but some old timers and Americans stubbornly refuse to use it.

The odds will be your payout for every unit you stake. If the odds are 1.32 you will get back 1.32 m฿ for every 1 m฿ you stake. This payout includes your stake of 1 m฿ and profit of 0.32 m฿. Here are a couple of examples with winning bets.

Decimal odds12
Stake1
Profit11
Payout12

Odds of 2.00 are “even money” because if you bet 1 m฿ you will either lose 1 m฿ or win 1 m฿.

The two other main odds formats are inferior and less common than decimal odds; they are fractional odds and American odds. These odds types are outdated and sportsbooks that show one of these odds types will also have the option to displaying decimal odds instead.

Fractional odds

Fractional odds are expressed as two numbers with a / in between like a fraction. Think of it as profit/stake. The first number is the amount you will profit if you stake the second number. This could also be expressed as the second number is the amount you would need to stake to profit the first number.

Add both numbers together to see the payout you would get by staking the second number.

For example fractional odds of 4/6 means you would win 4 m฿ by staking 6 m฿. So if you stake 6 m฿ and win, your payout will be 10 m฿. This is made up of your 6 m฿ stake and 4 m฿ profit.

Fractional odds12/1
Stake1
Profit12
Payout13

Even money would be written as 1/1 but instead is called “evens”.

American odds

American odds are either expressed as a negative (-) number or a positive (+) number.

Decimal Odds To Fractional Odds Meaning

Negative (-) numbers are used for bets of less than even money, such as a favorite to win. A negative (-) number is how much you would have to stake to profit 100 units. Odds of -220 means you would have to stake 220 m฿ to win 100 m฿. So if you staked 220 m฿ and won, your payout would be 320 m฿, made up of your 220 m฿ stake and 100 m฿ profit.

American odds-220
Stake220
Profit100
Payout320

Positive (+) numbers are used for bets at greater than even money such as for an underdog. Positive (+) numbers are how much you will profit if you stake 100 units. Odds of +480 means that if you stake 100 m฿ and win, you will profit 480 m฿. So your payout would be 580 m฿ made up of your 100 stake and 480 m฿ profit.

American odds+480
Stake100
Profit480
Payout580
Odds

Even money could be written as +100 or -100.

Further reading

For a more in depth look at odds and if you are getting good value from your sportsbooks see Understand odds as probability with overround.

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Fractional odds, also known as UK Odds are most often used in the United Kingdom and Ireland. Originally used in horse racing, fractional odds are one of the oldest forms of odds for sports gamblers. If you were to walk down London’s high street of bookmakers, you would see fractional odds adorning the walls of some the largest bookies in the world.

Fractional odds are extremely simple to calculate because well, they are given in fraction form. The denominator or 2nd number to the right is the amount bet and the numerator or 1st number on the left is the amount that your wager will yield. Let’s say you wager on Liverpool at 10 to 15 fractional odds. For every $150 wagered, your potential net profit would be $100. If you win, your original stake will also be returned to you, leaving you with $250 ($150 original wager + $100 profit) and a net of result of plus $100.

Liverpool 10/15: $150 to win $100 = $250

Subway surfers on poki game. Let’s look at wagering on an underdog or high odds bet, where the odds are more in your favor. Say you join a new betting site and are placing a wager Newcastle United, the underdog at five-to-one fractional odds, if you were to bet $100 your potential return would be $600, a $500 profit and your original bet of $100 would be returned to you.

Newcastle United: 5/1: $100 to win $500 = $600

If you are wagering on an event where there is a definitive favorite and underdog, the odds of the favorite is often referred to as the “odds on” and the odds of the underdog as the “odds against.” If a bet is even money, the odds are not one-to-one due to the bookmaker’s juice or commission. In most cases, the odds will be 10 to 11, where the bettor risks $110 to win $100.

Fractional odds can also be attached to a point spread:

New York Giants -7 10/11
Philadelphia Eagles +7 10/11

The juice or commission on each bet here is fractional odds of 10 to 11, so you would need to wager 110 to win 100.

Converting Fractional Odds to Decimal Odds:

An easy way to convert fractional odds to decimal odds is to convert the fraction into decimal form and then add a 1. For example, 5/1 or five-to-one fractional odds would be 6.00 in decimal odds.

5 / 1 = 5+1 = 6.00

Decimal Odds Vs Fractional Odds

Here is a conversion when you are wagering on a large favorite:

1 / 5 = 0.2+1 = 1.2

Conclusion

Understanding fractional odds is especially important to UK bettors, but even those not normally using these odds can benefit from understanding them. Used by the world’s largest bookmakers, there is no doubt fractional odds are one of the preferred odds for sports bettors across the world.

Fraction To Decimal Odds

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