Factorial Calculator

The factorial of a non-negative integer 'n', denoted by n!, is the product of all positive integers less than or equal to n.

Enter a non-negative integer (n)

Result

The factorial of 10 is:

3,628,800

About the Factorial Calculator

The Factorial Calculator is a tool for finding the factorial of any non-negative integer. A factorial, shown by an exclamation mark (!), is a key idea in probability. This calculator simplifies a long manual calculation. It gives instant and accurate results for students and mathematicians.

How to Use the Calculator

Using the tool is simple:

Enter a non-negative integer (0 or greater) into the input box.

The calculator will instantly show the factorial of that number. Factorials grow very quickly, so the calculator has a limit to prevent errors (around 170!).

Factorial Calculator