Not sure which calculator to use? Here's a side-by-side comparison of the Combination Calculator and Factorial Calculator to help you pick the right one for your needs.
Calculate combinations nCr (unordered selections) using the formula n!/(r!(n-r)!). Find the number of ways to choose r items from n items.
Calculate the factorial of any number up to 170. See the number of digits, trailing zeros, and the exact factorial value for smaller inputs.
| Feature | Combination Calculator | Factorial Calculator |
|---|---|---|
| Category | Math & Science | Math |
| Inputs | 2 required fields | 1 required fields |
| Outputs | 3 results | 4 results |
| Chart | No chart | No chart |
| FAQs | 3 answered | 3 answered |
Combination Calculator vs Permutation Calculator
Math & Science
Combination Calculator vs Probability Calculator
Math & Science
Factorial Calculator vs Permutation Calculator
Math
Factorial Calculator vs Prime Factorization Calculator
Math
Factorial Calculator vs Fibonacci Number Calculator
Math
Factorial Calculator vs Number Sequence Calculator
Math
Choose the Combination Calculator if you need to calculate combinations (ncr). Use the Factorial Calculator if you need to calculate n! result. Both calculators are free and require no sign-up.
