Calculate permutations (order matters) and combinations (order doesn't matter).
Calculate permutations (order matters) and combinations (order doesn't matter).
P(n,r) = n!/(n-r)!; C(n,r) = n!/[r!(n-r)!]
P(5,3) = 60; C(5,3) = 10.
Enter your values in the fields above and click "Calculate" to get instant results. All calculations happen in your browser — nothing is sent to any server.
What is Permutation and Combination Calculator?
Calculate permutations (order matters) and combinations (order doesn't matter).
What formula does this use?
This calculator uses: P(n,r) = n!/(n-r)!; C(n,r) = n!/[r!(n-r)!]
Is this calculator free?
Yes! All calculators on CalcNest AI are 100% free with no account required.
Is my data safe?
Absolutely. All calculations run locally in your browser. We never store or transmit your input data.