Parlay and Accumulator Calculator
Multiplies up the legs of a parlay, also called an accumulator or acca.
Return if every leg wins, including stake
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Profit if every leg wins —
Combined decimal odds —
Combined fractional odds —
Combined American odds —
Implied probability of all legs winning — %
Legs —
Reading this —
The formula
combined odds = leg 1 × leg 2 × … × leg n return = stake × combined odds
One losing leg loses the whole stake. The implied figure assumes the legs are independent.
What to watch out for
A void leg is usually settled at odds of 1.00, so leave it blank. Check the rules of the bet.
Frequently Asked Questions
What do 1.80, 2.00 and 1.50 combine to?
5.40, so a stake of 10 returns 54.00.
Are a parlay and an accumulator the same?
Yes. Parlay is the American term and accumulator the British one.