Math & Statistics
Permutations (nPr) Calculator
Calculate the number of ordered permutations of r items from n.
Your inputs
Change any value to update the result instantly.
nPr
336
n!
40,320
(n-r)!
120
Formula and working
nPr = n! ÷ (n−r)!
- 1
Substitute your values
n (total items) = 8; r (items chosen) = 3
- 2
Apply the formula
nPr = n! ÷ (n−r)! = 336
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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