Bayes' Theorem Calculator
Calculate posterior probability using Bayes' theorem. Enter Prior Probability P(A), Likelihood P(B|A) and Evidence P(B) to get Posterior Probability P(A|B). Free, no sign
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter Prior Probability P(A).
- Enter Likelihood P(B|A).
- Enter Evidence P(B).
- Click Calculate to see Posterior Probability P(A|B).
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
Calculate posterior probability using Bayes' theorem. This tool is in the Math Calculators collection on Qalculators. Enter Prior Probability P(A), Likelihood P(B|A) and Evidence P(B) to calculate Posterior Probability P(A|B). Results stay in your browser unless you copy them.
Frequently asked questions
What does Bayes' Theorem Calculator calculate?+
Calculate posterior probability using Bayes' theorem. You enter Prior Probability P(A), Likelihood P(B|A) and Evidence P(B) and receive Posterior Probability P(A|B).
What information do I need for Bayes' Theorem Calculator?+
You need Prior Probability P(A), Likelihood P(B|A) and Evidence P(B). Optional fields can stay at their defaults.
Is Bayes' Theorem Calculator free to use?+
Yes. Bayes' Theorem Calculator is free and does not require an account. The calculation runs in your browser.
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