Rectangle Calculator
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Variable Legend
l= lengthw= widthA= areaP= perimeterd= diagonal
Area
Space enclosed by the rectangle.
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Perimeter
Total distance around the rectangle.
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Diagonal
Length of a corner-to-corner line (Pythagoras).
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Find dimensions from area
Rearrange for a missing side.
Find l
…
Find w
…
l= length
w= width
A= area
P= perimeter
d= diagonal
Deep Dive
Read the full guide on how to use this calculator effectively
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