Formula / logic
Combined decimal odds = odds₁ × odds₂ × … × oddsₙ. Gross payout = stake × combined odds. Implied probability = 1 / combined odds.
Sports utilities
Accumulator / Parlay Calculator
Combine 2–12 decimal prices, then calculate combined odds, implied probability, gross payout and net profit.
Calculator
Enter values
Calculation result
Result
Enter the values and calculate to see the result.
Example
Three legs at 1.80, 2.10 and 1.65 combine to decimal odds of 6.237. A stake of 100 corresponds mathematically to a gross payout of 623.70.