Sports All tools

Odds Converter

Convert American, decimal, and fractional odds with implied probability.

Converted price

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Worked result from default inputs (server-side math).

American	Decimal	Implied probability
−110	1.909	52.38%
-110	1.909	52.38%

Educational maths only. Not betting advice. Confirm live odds and terms with the operator. 18+.

Which odds format should I use?

Use whatever your book shows. Conversion helps you compare lines across American, decimal, and fractional formats.

Turn odds into win probability and reverse probability into fair odds.

Check if a sports bet is +EV using your win probability and the odds.

Size a stake from edge, odds, and bankroll (full and fractional Kelly).