Outside of the US, the standard way to display odds is in Decimal format.Īs newcomers to betting, it’s usually considered easier to read Decimal odds because we can deduce the implied probability a little bit easier than American Odds. We can work out the odds for Chelsea to win in American format using our underdog formula, since the fractional odds of 13/4 equates to 3.25: 3.25 * 100 = +325 Converting from Fractional odds to American Odds for favoritesįor Manchester City, we need to use the first formula, since the fractional odds of 10/11 equates to ~0.91. 100 / (Fractional odds) = American odds.įor underdogs, where the fractions are greater than 1 the formula is as follows: (Fractional odds) * 100 = American odds Converting from Fractional odds to American Odds for underdogs You can recognize the favorite by evaluating which of the fractional odds equates to less than 1. To convert this into American odds, we again need two formulas. The fractional odds for Chelsea to win the match were 13/4, and for Manchester city the odds were 10/11. The Champions League final in 2021 was contested between Chelsea and Manchester City.

Let’s convert from Fractional odds into American odds next, using an example from a famous soccer match. Converting from Fractional odds to American Odds Note, that the formula above actually returns decimal places, but convention for American odds is to round to the nearest whole number, and in some cases, to the nearest 5. So, working our odds of 1.71 into this formula gives us -100 / (1.71 - 1) = -140 So, working our odds of 2.1 into this formula gives us (2.1 - 1) * 100 = +110 Converting decimal odds for favorites to American oddsįor the favorite (odds of below 2 and greater than 1) we use the following formula: -100 / (decimal odds - 1) = American odds Converting decimal odds for underdogs to American oddsįor the underdog (odds of 2 or above) we use the following formula: (Decimal Odds - 1) * 100 = American odds We need two formulas for to work out the American odds for each fighter here.

Stipe Miocic was a slight underdog at 2.1. When Francis N’Gannou faced Stipe Miocic in the 2021 rematch at UFC 260, he was the betting favorite – priced at 1.71 in decimal odds. Our Odds Conversion Calculator is powered by this Odds Lookup TableĬonverting from Decimal odds to American Odds Underlying our odds conversion calculator is the following odds conversion table, for converting odds between each of the popular 4 formats. Quick Betting Odds Conversion Lookup Table

Implied odds 4.5 spread