Perimeter Calculator

Calculate the perimeter of squares, rectangles, triangles, and circles.

Shape

Side

Jak używać

1. Select the shape. 2. Enter dimensions. 3. Click Calculate.

Często zadawane pytania

Total distance around the outside of a 2D shape.

Podobne kalkulatory

Circle Area Calculator

Calculate the area and circumference of a circle using the radius.

Rectangle Area Calculator

Calculate the area and perimeter of any rectangle by entering length and width.

Triangle Area Calculator

Calculate triangle area using base and height or Heron formula with three sides.