Odds Calculator

Convert a probability into odds.

Odds in favor 1 : 3

Odds against 3 : 1

Formula: odds in favor = p : (1 − p)

Step-by-step with your numbers:

1. Values used:

2. Probability = 25 %

4. Odds in favor = 1 : 3

5. Odds against = 3 : 1

Did we solve your problem today?

Odds express probability as a ratio of success to failure.

The math behind it

Odds in favor = probability : (1 − probability), simplified.

25% → 1 : 3 in favor.

Odds vs probability?

Probability is success ÷ total; odds is success : failure.