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Calculators :: Plane Geometry :: Rectangle Calculator

An online calculator that calculates the side, area, perimeter and diagonal of a rectangle if you enter two known values. Step-by-step explanations for each combination of input parameters are provided.

Rectangle Calculator

Input two values you know and the value you want to find. You can enter either integers (10), decimal numbers(10.12) or FRACTIONS(10/3).

0 1 2 3 4 5 6 7 8 9 / . del
Enter known values:
side a =
side b =
area A =
perimeter P =
diagonal d =

rectangle
Select value to find:
side a
side b
area A
perimeter P
diagonal d
Show me an explanation.

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