๐ฒProbability Calculator
Calculate AND, OR, and conditional probabilities for two events, including Bayes' theorem.
Free Probability Calculator
Our free probability calculator handles AND, OR, and conditional probabilities instantly โ including Bayes' theorem for reversing a conditional probability. Enter the probabilities of your two events, mark whether they're independent, or supply their joint probability directly, and get every related probability at once.
The joint (AND), the union (OR), and both conditional probabilities are computed together. A Venn diagram shows exactly how the events overlap, and every formula used is shown with your actual numbers substituted in.
Ideal for probability homework, exam prep, or quickly sanity-checking a calculation by hand. No sign-up, no downloads โ just clear, accurate probability results.