Permutation & Combination Calculator

Calculate both permutations (nPr) and combinations (nCr) instantly. Find out how many different ways you can choose or arrange a specific number of items from a larger set.

Permutation & Combination

How to Use

  1. 1

    Enter Total Items (n)

    Input the total size of the set you are choosing from.

  2. 2

    Enter Items to Choose (r)

    Input how many items you are selecting or arranging from the total.

  3. 3

    Calculate

    Click calculate to view both the Permutations (where order matters) and Combinations (where order does not matter).

Frequently Asked Questions

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