Calculate the perimeter of a rectangle using our Perimeter Calculator, or try calculating it yourself with the formulas provided.
Geometry Calculator
Enter the base and height of the rectangle in the calculator below to calculate the perimeter of the rectangle.
Calculate the perimeter of rectangle
Geometry Definitions
The following is a list of definitions relating to the perimeter of a rectangle.
What is perimeter?
Perimeter is the distance around a two-dimensional shape.
What is a rectangle?
A rectangle is a two-dimensional shape that has four straight sides and four right angles (90°).
What is the base?
The base of the rectangle is the length of the bottom of the rectangle.
What is the height?
The height of the rectangle is the distance measured by drawing a line from the bottom of the rectangle to the top.
Geometry Formula
The formula to calculate the perimeter of a rectangle is:
P = 2 x (b + h)
where...
- P = perimeter of rectangle
- b = base of rectangle
- h = height of rectangle
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