Probability Calculator

Enter the number of favorable outcomes and total possible outcomes to calculate the probability of an event.

Formula

Probability = (Favorable Outcomes ÷ Total Outcomes) × 100%

Example

Rolling a specific number on a six-sided die has a probability of 1/6 ≈ 16.67%.

Frequently Asked Questions

Can favorable outcomes exceed total outcomes?
No — favorable outcomes are always a subset of total outcomes, so the result can never exceed 100%.