Permutation & Combination

Free online permutation & combination. Calculate nPr and nCr with factorial detail. Accurate and easy to use.

Permutation (nPr)

60

P(5, 3) = 5! / (5 − 3)!

Expanded

5 × 4 × 3 × 2 × 1 / 2 × 1

Combination (nCr)

10

C(5, 3) = 5! / (3! × (5 − 3)!)

Expanded

5 × 4 × 3 × 2 × 1 / (3 × 2 × 1 × 2 × 1)