The simple formular to convert from fraction odds to decimal is to divide the numerator (top number) by the denominator (bottom number) and add 1. The 1 represents the returned stake which is included in the decimal odds but not in the fraction odds. Example 1: Odds of 2/1, will be 2 divided by 1, which gives 2, then add 1 equals 3. For example, the 4-to-1 fractional odds shown above is the same as 5 in decimal odds, while 1-to-4 would be quoted as 1.25. The method for converting moneyline to decimal odds depends on whether the moneyline value is positive or negative. If the moneyline is positive, it is divided by 100 and add 1. Fractional odds of 4/5 are therefore equivalent to American odds of -125 and decimal odds of 1.80. If the fraction is smaller than 1, it is known as odds-on. Calculator users will notice that odds.

• By convention only a set of fractions are used in fractional odds betting markets. The set does not include exact mathematical equivalents to all possible decimal and American odds. We use the closet fraction that is used in betting markets. For example, the exact mathematical equivalent of decimal odds 30 is fractional odds 29/1.
• The advantage of decimal odds Fractional odds can sometimes be confusing as the calculation can produce very large numbers. For example, where the decimal odds are 1.46, the fractional equivalent would be 23/50. In this case, it is much easier to calculate the return from a.

By convention only a set of fractions are used in fractional odds betting markets. The set does not include exact mathematical equivalents to all possible decimal and American odds. We use the closet fraction that is used in betting markets.

For example, the exact mathematical equivalent of decimal odds 30 is fractional odds 29/1. However 29/1 is not used in betting markets, instead 30/1 is used, so that is what appears in this converter.

For an explanation of the odds types on this table see decimal, fractional and American odds. To find out what the numbers really represent see understand odds as probability with overround.

Football Odds Decimal To Fraction