Single Event Probability Calculator
Calculate the probability of a single event with our interactive tool. Enter favorable outcomes and total outcomes to instantly find the probability as a fraction and decimal. Visualize probability and copy results easily.
Result
Probability Visualization
The colored bar visually represents the probability of the event.
Understanding Probability
Probability is a measure of the likelihood of an event occurring. It is quantified as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.
Formula: Probability (P) = Favorable Outcomes / Total Possible Outcomes
Favorable Outcomes: The number of outcomes that are in your favor or that you are interested in.
Total Possible Outcomes: The total number of possible results in a given situation.
Example: If you flip a fair coin, the probability of getting heads is 1/2 or 0.5, because there is one favorable outcome (heads) out of two total possible outcomes (heads and tails).