Area of a Rectangle Calculator

Created by Luciano Mino
Last updated: Jun 22, 2022
This calc gives some properties of rectangles. For a square, set both sides to be the same length.
Luciano Mino
Image of a rectangle with sides a and b, diagonal d, perimeter and area marked.
Length (a)
in
Width (b)
in
Area (A)
in²
Perimeter (P)
in
Diagonal (d)
in
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