Rectangle to Square Calculator

Calculator and formulas for calculating a rectangle to a square with the same area


This calculator calculates the parameters of a square and a rectangle that both have the same area.

To calculate, enter a side length of the rectangle and one of the other parameters of the rectangle or square, then click the 'Calculate' button.


Calculate square and rectangle

 Input
Rectangle length
Decimal places
 Results
Area A
Rectangle length l
Rectangle height h
Rectangle perimeter
Square perimeter
Square side length a

Quadrat-Rechteck

Formulas for the square ⇒ Rectangle calculation


Rectangle length (l)

\(\displaystyle l = \frac{a^2}{h}\)

Rectangle height (h)

\(\displaystyle h = \frac{a^2}{l}\)

Square side length (a)

\(\displaystyle a = \sqrt{l · h}\)

Rectangle area (A)

\(\displaystyle A = l · h\)

Square area (A)

\(\displaystyle A = a^2\)

Rectangle perimeter

\(\displaystyle P = 2 · l + 2 · h\)

Square perimeter

\(\displaystyle P = 4 · a \)
Quadrat-Rechteck

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