Simple Probability Calculator
Calculate probability from the desired and total number of outcomes.
Result
%16,6667
Probability: 16.6667%
Result in all units
Step-by-step solution
P = desired ÷ total
What Is Probability?
Probability expresses the chance of an event happening as a number between 0 and 1. 0 indicates impossibility and 1 indicates certainty.
How is it calculated?
How Is It Calculated?
P(event) = number of desired outcomes ÷ total number of outcomes
- Enter the number of desired and total outcomes.
For example, the probability of rolling a 3 on a die: 1 ÷ 6 ≈ 0.167 (16.7%).
Frequently Asked Questions
How is probability shown as a percentage?
The probability value is multiplied by 100 to convert it to a percentage; for example, a probability of 0.25 is 25%.