Probability Calculator
Calculates the probability of an event from favorable and total outcomes.
Lilu Baba's Probability Calculator computes the classic probability formula — favorable outcomes divided by total outcomes — as both a decimal and a percentage.
How to use this calculator
- Enter the number of favorable outcomes.
- Enter the total number of possible outcomes.
- The probability updates instantly.
Probability (%)
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Probability (Decimal)
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FAQ
Probability Calculator — frequently asked questions
Probability = Favorable Outcomes ÷ Total Outcomes.
This calculator handles simple single-event probability; compound and conditional probability need separate multi-step calculations.