Probability · Betting

Parlay Calculator

Link any number of bets into one accumulator, multiply the odds together and see the true payout — plus the sobering probability that the whole ticket actually lands.

Parlay legs

+ Add leg
Combined odds
decimal · implied probability—
Stake returned—
Profit if all win—
Total payout—
Decimal odds
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American odds
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Implied probability
—
all legs must win
Number of legs
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Parlay math
Decimal oddstotal = d₁ × d₂ × … × dn
Every leg must win for the ticket to pay. Convert each American price to decimal, multiply them all, then multiply by your stake. The implied probability compounds too: a three-leg parlay of even-money bets is 0.5³ = 12.5% to win — the payout grows fast, but so does the risk.

🔠 Unlimited legs

Add as many selections as you like and watch the odds compound.

💰 Exact payout

Profit and total return for any stake, computed to the cent.

📈 Honest odds

The true probability of the whole ticket landing is shown up front.

⚡ Mixed formats

Each leg accepts American or decimal odds independently.

Price the individual legs

Convert each bet to the same format first.

Odds Calculator