Perimeter Of Polygon Calculator

Enter the number of Sides (n):
Length of each side (l):

The perimeter of a Polygon:


The Perimeter of Polygon Calculator is a free online tool that displays the perimeter of the regular polygon when the number of sides and the side length are given. BYJU’S online perimeter of polygon calculator tool performs the calculation faster, and it displays the perimeter of a polygon in a fraction of seconds.

How to Use the Perimeter of Polygon Calculator? 

The procedure to use the perimeter of polygon calculator is as follows:

Step 1: Enter the number of sides and the side length in the input field

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

Step 3: Finally, the perimeter of the regular polygon will be displayed in the output field

What is Meant by Perimeter of Polygon?

In Geometry, a polygon is a closed two-dimensional plane figure with straight sides. The polygon does not have a curved surface. Based on the sides and the angles of the polygon, it can be classified into two different types, such as regular polygons and irregular polygons. If all the sides and the angles of a polygon are of equal measure, then it is called a regular polygon. Otherwise, the polygon is called the irregular polygon. Based on the number of sides, the polygon is classified as follows:

Triangle – Polygon with three sides

Quadrilateral – Polygon with four sides

Pentagon – Polygon with five sides

Hexagon – Polygon with six sides, and so on.

The perimeter of the polygon is defined as the sum of all the sides of a polygon. If a polygon is a regular polygon, then the perimeter is given by

Perimeter of Regular Polygon = (Number of sides) x (Side length of a polygon) units. 

For example, the number of sides of a regular polygon is 5 and each side of the polygon measures 4 cm, then the perimeter of the regular polygon is

Perimeter = 5 (4) = 20 cm.


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