Square Calculator

Enter side length or diagonal length


Square - a geometrical figure, a rectangle that consists of four equally long sides and four identical right angles.

Equation form:

a =d
d = a * √2
Perimeter = 4 * a
Area enclosed (A) = a²
Area(AI) of circle inscribed in square with side a:
AI =π * a²
Area(AC) of circumscribed circle about square with side a:
AC =π * a²

About Square Calculator tool.

Remember this tool should be used only to calculate area, perimeter or volume of a figure. The results we provide are accurate, but rounded to the 12th decimal place. It accepts scientific notation and converts immediately.