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Parlay payout, calculated instantly

Add your legs in any odds format and watch the combined odds and total payout update live — the fastest parlay maths on the web, free.

Build your parlay
Total payout
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Profit — on your stake
Combined decimal
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Combined American
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Implied prob.
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Combined odds = the product of every leg's decimal price. The longer the parlay, the lower the chance it lands — and the more book margin compounds against you.

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Stop building parlays that can't win

Most parlays lose because the legs are correlated or each one is −EV. Our model rates every leg and surfaces the ones with a real edge — so you stack winners, not guesses.

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How the maths works

Convert each leg to decimal odds, multiply them, then multiply by your stake. Here's a three-leg parlay on a $10 stake:

  • Leg 1 — decimal1.91
  • Leg 2 — decimal2.50
  • Leg 3 — decimal1.80
  • Combined odds (1.91 × 2.50 × 1.80)8.60
  • Payout on $10 stake$85.95

Parlays — quick answers

How is a parlay payout calculated?

Multiply every leg's decimal odds, then multiply by your stake. 1.91 × 2.50 × 1.80 = 8.60, so $10 returns $85.95.

Why do parlays usually lose?

Every leg must win and the book's margin compounds across legs. A small edge per leg can still be a big −EV parlay.

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