Combination & Permutation Calculator

Home›Math & Science›Combination & Permutation Calculator

Combination & Permutation Calculator

Calculate combinations (nCr) and permutations (nPr) with step-by-step formula.

n (total items)

r (items to choose)

nCr (Combinations)

0

nPr (Permutations)0

nCr Formula

nPr Formula

Ratio nPr / nCr-