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Implied probability calculator

Turn any price into the probability it implies. Works with American or decimal odds.

Implied probability
52.38%
Decimal
1.909
American
-110

This includes the book's margin. It is what the price implies, not a fair estimate of the true chance — for that, remove the vig using both sides of the market.

Implied probability includes the sportsbook's margin, so the two sides of a market always add up to more than 100%. That difference is the vig — use the vig calculator to strip it out and see the fair price.

Tier One Picks is a fantasy football analysis tool. Nothing here is betting advice, and we don't take wagers. You're responsible for the laws where you live.

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