Convert fractional odds into decimal, American and implied probability.
Fractional odds express profit relative to stake, excluding the stake from the fraction. Adding one converts to decimal odds, which include it. Because fractional odds omit the stake, comparing 7/4 with 9/5 requires converting them, which is why exchanges standardised on decimal.
Fractional Odds
Decimal odds = numerator ÷ denominator + 1
These figures are estimates based on population-average formulas and are intended for training and recreational planning only. They are not medical advice. Consult a qualified health professional before starting or changing an exercise programme, particularly if you have an existing medical condition.
Decimal odds = numerator ÷ denominator + 1 Fractional odds express profit relative to stake, excluding the stake from the fraction. Adding one converts to decimal odds, which include it.
Because fractional odds omit the stake, comparing 7/4 with 9/5 requires converting them, which is why exchanges standardised on decimal.
This calculator takes 3 inputs: Numerator, Denominator, Stake. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.