Probability Calculator
Calculate the probability of an event from favorable and total outcomes. Get probability, percentage, and odds.
StatisticsFree · no sign-upStep-by-step answers
How to use this calculator
- 1Enter your values or expression in the fields above.
- 2Press Enter or click the calculate button.
- 3Read the result, then follow the numbered step-by-step working to understand each stage.
Worked Examples
Frequently Asked Questions
What is probability?
Probability = favorable outcomes / total outcomes, ranging from 0 (impossible) to 1 (certain).
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