Probability Calculator
About Probability Calculator
Calculate probability and odds from outcomes.
How to Use
Calculate probability and odds from outcomes. Enter the Favorable outcomes and Possible outcomes values and review the Probability, Odds for, and Odds against outputs after you calculate.
- Open the calculator : Use Probability Calculator from the Math category.
- Check the inputs : Review the required values and any optional settings.
- Read the formula : Use the formula and notes below to understand how the result is produced.
Common Questions
What formula does the Probability Calculator use?
Probability = favorable outcomes / possible outcomes.
What kind of probability does it calculate?
It is meant for simple outcome counting, not for more advanced probability models.
Inputs
- Favorable outcomes
- Possible outcomes
Outputs
- Probability
- Odds for
- Odds against
Formula
probability = favorable outcomes / possible outcomes