About This Tool
Convert between decimal, fractional, and American betting odds with implied probability.
Convert between decimal, fractional, and American betting odds with implied probability.
Decimal
2.5
Fractional
3/2
American
+150
Implied Prob.
40%
How to Read
Decimal: Total return per unit staked (e.g. 2.50 means $10 bet returns $25)
Fractional: Profit per unit staked (e.g. 6/4 means $4 bet returns $6 profit)
American: + odds show profit on $100 bet; - odds show stake needed for $100 profit
Implied Probability: The probability implied by the odds (excluding bookmaker margin)
Convert between decimal, fractional, and American betting odds with implied probability.