The length of the outline or border of any geometric shape is called as the perimeter. In other words, it is the path surrounding the two dimensional figure. The perimetre of a circle or ellipse is called as circumference. The calculators involved in this section helps you to find the perimetre of geometric shapes and figures like circle, pyramid, quadrilateral and other polygons.
The perimetre of any geometric polygon is the sum of the lengths of all the sides. In particular, the perimeter of a rectangle shape with width is w and length l is equal to 2w + 2l.