The decimal format
Decimal odds show the total return for each unit staked if the selection wins, including the original stake. At 3.00, a €10 stake produces a €30 gross return: €20 profit plus the €10 stake.
The displayed price is not a guarantee that the outcome will happen. It is a format for expressing a price and its associated return calculation.
Implied probability
A basic implied-probability calculation is 1 divided by decimal odds. At 2.00, the reciprocal is 0.5, or 50%. This raw figure does not remove bookmaker margin and is not a forecast.
For a set of mutually exclusive outcomes, implied probabilities may add to more than 100% because prices include a margin.
Convert and calculate
Use the odds converter to translate between decimal, fractional and American formats. Use the return calculator to calculate gross return and net profit for a selected stake.
Special markets, each-way bets, dead heats or deductions need additional terms beyond the simple formula.
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