Online Calculators > Math Calculators > Square Calculator
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.
Area: 
25 
Perimeter: 
20 
Diagonal: 
7.07106781 
Square Formula
Following is the square formula that shows how to calculate area, perimeter, and diagonal of a square.
Area = x^{2}
Perimeter = 4*x
Diagonal = √2*x, where
x = length of any side of the square
