Calculator and formulas for calculating the area, perimeter and diagonal of a square
The online calculator calculates the side length, the diagonal, the perimeter and the area of a square. Select the parameter that you know and enter its value. Then click on 'Calculate'.
|
Area
\(A = a · a\)
\(a =\sqrt{A}\)
Perimeter
\(\displaystyle P = 4 · a\)
\(\displaystyle a =\frac{P}{4}\)
Diagonal
\(d = \sqrt{2} · a \)
\(\displaystyle a =\frac{d}{\sqrt{2}}\)
|