# Perimeter of Octagon Calculator

In Geometry, Octagon is an 8 sided polygon where each side is of equal length. It is also referred to as 8-gon. The sum of all the internal angles of any octagon is 1080°. It is also defined as a plane with eight straight sides and eight angles. Use the below online perimeter of octagon calculator to calculate the perimeter of an 8 sided polygon, Octagon. Enter the side length of an octagon as an input in the calculator and click calculate to get the octagonal perimeter.

In Geometry, Octagon is an 8 sided polygon where each side is of equal length. It is also referred to as 8-gon. The sum of all the internal angles of any octagon is 1080°. It is also defined as a plane with eight straight sides and eight angles. Use the below online perimeter of octagon calculator to calculate the perimeter of an 8 sided polygon, Octagon. Enter the side length of an octagon as an input in the calculator and click calculate to get the octagonal perimeter.

Code to add this calci to your website

#### Example

An octagon with 9 cm as its length on all the 8 sides. Find its Perimeter?

#### Solution:

Perimeter of Octagon = 8 x 9

Octagon Perimeter = 72 cm