## Odds Conversion Formulas – BetSmart.co

Odds Conversion Formulas

Convert odds between American, Decimal, and Fractional format using simple odds conversion formulas. Or, skip the math and use the chances converter rather!

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 to a fraction, then 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)

Cases:

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

Over 1/1: Convert 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 from the Fraction as a Decimal.

Moneyline = -100/(fraction value)