Odds Converter

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

Converted odds
Decimal odds2.50
Fractional odds3/2
American odds+150
Implied probability40.00%

Frequently Asked Questions

What odds formats can I convert?+

You can convert between decimal odds, fractional odds, American odds, and implied probability. The calculator updates each format so you can compare prices quickly.

How do decimal odds convert to American odds?+

Decimal odds of 2.00 are equivalent to +100 in American odds. Decimal odds above 2.00 convert to positive American odds, while decimal odds below 2.00 convert to negative American odds.

Can I convert implied probability into odds?+

Yes. Enter an implied probability percentage and the converter will calculate the equivalent decimal, fractional, and American odds. This helps you understand what price matches a given probability estimate.