Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Math
Combination Calculator
Calculate the number of unordered selections of r items from n distinct items, where the order does not matter. Ideal for lottery draws, committees, and poker hands.
Fill in the required fields to see your result.
Math
Permutation Calculator
Calculate the number of ordered arrangements of r items chosen from n distinct items, where the order of selection matters. Ideal for rankings, sequences, and any selection where position counts.
Fill in the required fields to see your result.
Key differences
| Combination Calculator | Permutation Calculator | |
|---|---|---|
| Category | Math | Math |
| Inputs required | 2 | 2 |
| Result | C(n,r) | P(n,r) |
| What it does | Calculate the number of unordered selections of r items from n distinct items, where the order does not matter. Ideal for lottery draws, committees, and poker hands. | Calculate the number of ordered arrangements of r items chosen from n distinct items, where the order of selection matters. Ideal for rankings, sequences, and any selection where position counts. |