Decimal Odds Calculator
Calculate implied probability and the payout and profit if a bet wins, from decimal odds and a stake.
Formula
Implied probability = 100/d; payout = stake×d; profit = stake×(d−1).
Implied probability ≈ 100÷(2.5) · Payout if won ≈ (100)×(2.5) · Profit if won ≈ (100)×((2.5)-1)
How to use
- Enter decimal odds greater than one.
- Enter a stake in any single currency.
- Read implied probability and the amounts for a win.
Examples
- Odds 2.5 and stake 100 give payout 250, profit 150 and implied probability 40%.
Frequently asked questions
Does payout include the stake?
Yes. Profit subtracts the original stake from the payout.
Is implied probability the true chance?
No. It is the reciprocal price and can include the bookmaker margin.
Are fees and taxes included?
No. These are arithmetic amounts before deductions; a losing bet loses its stake.
Sources
Updated: