ODDS CONVERTER

Convert between American, Decimal, Fractional, and Implied Probability

Converter

AMERICAN ODDS

Used in US sportsbooks

DECIMAL ODDS

Used in Europe, Australia, Canada

FRACTIONAL ODDS

Used in UK bookmakers

IMPLIED PROBABILITY (%)

Win probability implied by odds

American Odds

Positive (+150): $100 bet wins $150
Negative (-110): Must bet $110 to win $100

Decimal Odds

Shows total return per $1 wagered (including stake). Example: 2.50 returns $2.50 per $1 bet.

Implied Probability

The probability of winning implied by the odds. Does not account for bookmaker's vig/juice.

Even Money+100 / 2.00 / 50%

Standard Line-110 / 1.91 / 52.4%

Heavy Favorite-300 / 1.33 / 75%

Underdog+200 / 3.00 / 33.3%