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Free calculator
Calculate combined odds and payouts for multiple selections.
Calculator inputs
Updates as you type
Leg odds
Enter a stake and decimal odds for every leg to calculate the combined return.
Enter the decimal odds for each leg and your stake. The calculator multiplies the legs into the combined parlay price, shows the total return, and breaks down how each added leg changes the payout and the risk.
Multiply the decimal odds of every leg together, then multiply by the stake. The calculator handles any number of legs. Same-game correlations are not modeled, so true odds may differ.
The bookmaker margin compounds with every leg. A four-leg parlay carries roughly four times the margin of four straight bets, which is why serious arbers avoid correlated parlays.
Occasionally, when leg prices are stale. It is far rarer and harder to hedge than straight-market arbs, because every leg must be covered individually.