Parlay Calculator
A parlay (or accumulator) combines several bets into one — every leg has to win for the parlay to pay. This free parlay calculator multiplies the odds of each leg to give the total odds, your payout on a given stake and the combined implied probability.
Add as many legs as you like, enter your stake, and see the total return. The implied probability shows just how unlikely big parlays are — useful for a reality check before you bet one.
Total odds (3 legs)
6.98
Implied probability
14.32%
Payout
698.25
Profit
+598.25
Serious about your edge?
ProfitBetting tracks every bet's closing line value against Pinnacle automatically — so you know if you're really beating the market, not just guessing.
Frequently asked questions
How are parlay odds calculated?
Multiply the decimal odds of every leg together. Three legs at 1.90, 2.10 and 1.75 give 1.90 × 2.10 × 1.75 = 6.98 total odds. Your payout is stake × total odds.
What is the implied probability of a parlay?
1 / total odds. Because each leg must hit, the combined probability drops fast — a 6.98 parlay implies about a 14% chance, even if each leg looks likely on its own.
Are parlays a good bet?
Each leg usually carries the bookmaker's margin, and margins compound across legs, so parlays generally have a bigger house edge than singles. They can still be +EV if the individual legs are +EV, but the variance is much higher.
Related reading
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<p style="font:13px/1.4 system-ui,sans-serif;margin:8px 0 0">Free <a href="https://profitbetting.io/tools/parlay-calculator">Parlay Calculator</a> by ProfitBetting</p>