Square Calculator

Square Calculator to calculate the area, perimeter, and diagonal of a square. Simply enter the length of a side of the square, and the online square calculator will quickly calculate the area, perimeter, and diagonal.

Square Formula

Following is the square formula that shows how to calculate area, perimeter, and diagonal of a square.
Area = x²
Perimeter = 4*x
Diagonal = √2*x, where
x = length of any side of the square