 # Octagon Calculator

Enter Side Length : unit

Area of the Octagon= unit square

Perimeter of the Octagon= unit

Octagon Calculator is a free online tool that displays the area and perimeter of the octagon. BYJU’S online octagon calculator tools make the calculation faster and it displays the area and perimeter in a fraction of seconds.

## How to Use the Octagon Calculator?

The procedure to use the octagon calculator is as follows:

Step 1: Enter the side length value in the input field

Step 2: Now click the button “Calculate” to get the result

Step 3: Finally, the area and perimeter of the octagon will be displayed in the output field

### What is Meant by Octagon?

In mathematics, the octagon is a type of polygon with eight sides. The octagon has eight sides, eight vertices and eight angles. The hexagon can be classified into two different types, namely regular octagon and irregular octagon. If all the eight sides and angles of the octagon are of equal measure, then it is called a regular octagon. Otherwise, the octagon is considered an irregular octagon.

Also, check: Octagon

The area and the perimeter of an octagon formula is given by

Area of octagon = 2(1+√2) a2 square units

The perimeter of octagon = 8a units