Area and Perimeter of a Square - Geometry Calculator

Online calculator to calculate the area and perimeter of a square given the length of its side.

The formula of the perimeter P and area A of a square of side x, are given by

P = 4 × x

A = x 2

How to use the calculator

Enter the length x of the side of the square as a positive real number and press "calculate". The outputs are the area A and perimeter P of the square.

x =

P =
A =

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