Parlay calculator
Combine multiple legs into one estimated parlay price. Enter each leg, add a stake, and compare combined odds, probability, profit, and total return.
All selected legs combined.
Potential winnings before returning stake.
Combined chance implied by the parlay price.
| Combined decimal odds | 12.05 |
|---|---|
| Total return | $301.22 |
| Formula | 2.20 x 1.91 x 2.40 |
Build a parlay estimate
Choose the number of legs
Select two to six active legs and enter the odds for each one.
Add a stake
The calculator multiplies the combined parlay price by your stake.
Check the combined chance
Parlay returns can look large because the implied probability gets smaller with each leg.
How parlay odds are calculated
Convert each leg to decimal
American odds are converted into decimal odds so they can be multiplied.
Multiply the decimal prices
Combined decimal odds = leg 1 decimal x leg 2 decimal x each extra leg.
Apply stake and probability
Profit = stake x (combined decimal odds - 1). Probability = 1 / combined decimal odds.
Parlay calculator questions
What does a parlay calculator do?
A parlay calculator combines the odds from multiple legs and estimates combined odds, implied probability, profit, and total return.
How are parlay odds calculated?
Each leg is converted to decimal odds, the decimal odds are multiplied together, and the combined decimal price is converted back into the preferred odds format.
Why does parlay probability drop quickly?
Every leg must win for a standard parlay to cash, so multiplying the implied chance of each leg usually creates a much lower combined probability.
Does this calculator handle pushes or void legs?
No. It shows the basic combined math for all active legs winning. Sportsbook rules for pushes, voids, dead heats, and same-game parlays can vary.
Understand each leg before combining them
Betting payout calculator
Estimate profit and return for a single leg before combining prices.
What is a parlay bet in football?
Read the settlement basics and risk notes behind multi-leg bets.
What is a round robin bet?
Compare standard parlays with grouped parlay combinations.
Parlays can carry low implied probability and high variance. This calculator is for educational math only, not betting advice.