Free Odds Ratio Calculator - This calculator determines the odds ratio for 2 groups X and Y with success and failure for an outcome.

This calculator has 2 inputs.

This calculator has 2 inputs.

- odds
- The ratio of a payoff to a stake
- odds ratio
- a measure of association between an exposure and an outcome
- outcome
- a possible result of an experiment or trial
- probability
- the likelihood of an event happening. This value is always between 0 and 1.

P(Event Happening) = Number of Ways the Even Can Happen / Total Number of Outcomes - ratio
- indicates how many times one number contains another