Permutation and Combination Calculator

Use this free Permutation and Combination Calculator to calculate permutation and combination in seconds. Accurate math, zero hassle, no account needed.

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How the Permutation and Combination Calculator Is Calculated

This calculator uses the standard combinatorics formulas: combinations nCr = n! ÷ (r! × (n−r)!) when order doesn’t matter, and permutations nPr = n! ÷ (n−r)! when it does.

About the Permutation and Combination Calculator

Use this free Permutation and Combination Calculator to calculate permutation and combination in seconds. Accurate math, zero hassle, no account needed.