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# Odds Conversion Formulas – BetSmart.co

Odds Conversion Formulas

Convert chances involving American, Decimal, and Fractional format using easy chances conversion formulas. Or, skip the mathematics and use the odds converter!
Decimal to Fractional
Decimal to American
Fractional to American
Fractional to Decimal
American to Decimal
American to Fractional
Odds Converter
Decimal to Fractional
Remove 1 in the decimal and convert into a percentage, subsequently reduce to simplest form:
(decimal-1) -> convert to percent Examples:
1.75: 1.75 — 1 = .75 = 75/100 = 3/4
2.20: 2.20 — 1 = 1.20 = 120/100 = 6/5
Decimal to American
To convert a decimal of 2.00 or higher:
moneyline = (decimal — 1) *100
Examples:
2.00: (2.00 — 1)*100 = 1*100 = +100
3.35: (3.35 — 1)*100 = 2.35*100 = +235
To convert a decimal of less than 2.00:
moneyline = (-100) / (decimal -1)
Examples:
1.9091 : (-100)/(1.9091 — 1) = (-100)/(0.9091) = -109.99 = -110
1.6579 : (-100)/(1.6579 — 1) = (-100)/(0.6579) = -151.98 = -152
Fractional to American
More than 1/1: Combine Fraction to Decimal and multiply by 100.
Moneyline = (fraction value)*100
Examples:
7/4: (7/4) * 100 = (1.40) * 100 = +140
6/5: (6/5) * 100 = (1.20) * 100 = +120
Under 1/1: split -100 by the Fraction as a Decimal.
Moneyline = -100/(fraction value)