Free Tool
Parlay Calculator: Odds & Payout
Add each leg of your parlay to instantly see your combined odds, total payout, profit, and the parlay's implied win probability. Works with American and decimal odds — completely free, no account needed.
Parlay Calculator
All 3 legs must win. Combined implied probability is 6.5% — the longer the parlay, the bigger the payout and the lower the chance.
Informational tool only — not betting advice. Parlays carry compounding risk; every leg must win to pay out. 18+. Bet responsibly at licensed operators.
Add your legs
Enter the odds for each selection in your parlay. Use the toggle to switch between American (+150) and decimal (2.50) formats.
Set your stake
Type how much you want to risk. The calculator multiplies every leg together to find your combined parlay odds.
See your payout
Instantly view total payout, profit, and the combined implied win probability so you understand the risk before you commit.