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Permutation & Combination Calculator

Calculate permutations (nPr) and combinations (nCr) for any set of items.

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Calculate permutations (nPr) and combinations (nCr)

Total Items (n) Items Chosen (r)

Permutations (nPr)

720

Order matters

Combinations (nCr)

120

Order doesn't matter

n! (factorial)

3,628,800

Formulas: nPr = n!/(n−r)! · nCr = n!/[r!(n−r)!] · 0! = 1