# Diagonal of a Square Calculator

**Diagonal of a Square Calculator**

Don’t know how to calculate the Diagonal of a Square? Mycaclu helps you to find it through the Diagonal of a Square calculator. This free online calculator is very effective and easy to use as it does not require any skill to master.

**How to use the Mycalcu Diagonal of a Square Calculator?**

- Enter the length of the side of Square
- Click on calculate to get the results

### Would you like to use the __Perimeter of a Square Calculator__

**Formula of Diagonal of Diagonal of a Square**

Diagonal of a Square = √2 x S

### Example

Let’s assume the length of the side of the square is 15 cm. To calculate the result, we use the above formula

Diagonal = √2 x 15

= 21.21