Probability Calculator

Calculate the probability of events occurring based on favorable and total outcomes

🎲 Event Details

Number of Favorable Outcomes

Total Number of Outcomes

Quick Examples

📊 Probability Result

🎲

Enter the number of favorable and total outcomes to calculate probability!

Probability Scale

ImpossibleCertain

00.250.50.751

🎲Formula

P(A) = Number of Favorable Outcomes / Total Number of Outcomes

💡How it works

Probability is a measure of the likelihood that an event will occur. It ranges from 0 (impossible) to 1 (certain). For example, the probability of getting heads when flipping a fair coin is 1/2 = 0.5 or 50%.