# SQRT function

The Excel SQRT function is a mathematical function used to calculate the square root of a given number. It is a handy tool for finding the value that, when multiplied by itself, equals the input number.

=SQRT(number)

## How to Use

The SQRT function in Excel is straightforward to use. You need to provide a single argument, which is the number for which you want to find the square root. Here’s how you can use it:

This formula will return the square root of the number in cell A1. Remember to replace “A1” with the cell reference containing your desired number. You can also use a specific value instead of a cell reference.

## Examples

Let’s go through a few examples to see how the SQRT function works:

Example 1: Find the square root of 25.

The result will be 5 because 5 multiplied by itself equals 25.

Example 2: Calculate the square root of a value in cell B2.

If the value in cell B2 is, for instance, 16, the formula will return 4 as the square root.

Example 3: You can also use the SQRT function in more complex calculations. For instance, if you want to calculate the hypotenuse of a right triangle given the lengths of its two sides (A and B), you can use the formula:

This formula will find the square root of the sum of the squares of A1 and B1, which gives you the length of the hypotenuse.