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Free Permutation Combination Calculator

This free permutation combination calculator runs entirely in your browser — no signup and no file uploads. Calculate permutations (nPr) and combinations (nCr) for counting and probability setups.

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Inputs

Results

P(n,r)
720
C(n,r)
120

How to use this free tool

  1. Enter n and r.
  2. Choose nPr or nCr.
  3. Calculate.

Formula

nPr = n!/(n−r)!; nCr = n!/(r!(n−r)!)

Examples

  • nCr

    Input: n=5 r=2

    Output: 10

Related searches

People looking for a permutation combination calculator often also search for npr calculator, ncr calculator, combinations calculator, permutations calculator, combinations tool, and permutations tool. This page covers that search cluster without duplicate URLs.

FAQ

Permutation vs combination?

Order matters in permutations; combinations ignore order.

Uses factorial?

Yes—related to Factorial Calculator under the hood.

Large n?

Very large n may overflow JS numbers; results may use approximations.

How do I use a free permutation combination calculator?

This free permutation combination calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.

What is a permutation combination calculator?

This free permutation combination calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.

Is there a free online calculator for permutation combination?

This free permutation combination calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.

How does the permutation & combination calculator work?

This free permutation combination calculator runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.

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