# Diagonal of a Rectangle Calculator

**Diagonal of a Rectangle Calculator**

Don’t know how to calculate the diagonal? Mycaclu helps you to find it through the Diagonal of a Rectangle 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 Rectangle Calculator?**

- Enter the value of the Length of Rectangle
- Enter the value of the Width of the rectangle
- Click on calculate to get the results

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

**Formula of Diagonal of a Rectangle**

Diagonal = √L^{2 }+ W^{2}

L = Length of Rectangle

W = Width of Rectangle

### Example

L = 10

W = 15

Diagonal = √10^{2 }+ W15^{2}

= 18.02