Statistics & Probability
Instant, private, and free
Monty Hall Problem Calculator.
Compare staying and switching probabilities.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
stayProbability: 0.333333
switchProbability: 0.666667
stayPercent: 33.333333
switchPercent: 66.666667
Results update automatically as you type.
FAQs
What does the monty hall problem calculator assume?
Compare staying and switching probabilities. Inputs and conventions are stated on the calculator page.