Free tool

Parlay Calculator

A parlay (accumulator) combines several bets into one — every leg must win to pay out. Enter each leg's odds to see the combined price, your payout, and the true probability of hitting all of them.

Odds format

Leg 1

Leg 2

Leg 3

Stake

Total payout

$145.92

Profit: $125.92

Combined odds

7.30

+630 American

Implied probability (all legs hit)

13.71%

Before removing any bookmaker margin

Parlays multiply the vig against you.

Every leg stacks the bookmaker's margin, which is why parlays are so profitable for the book. If you're going to build them, build them out of genuinely +EV legs — exactly the bets our engine surfaces and tracks.

Find +EV legs

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