Rectangle Area Calculator
From Length & Width
From Area & Length
From Perimeter & Length
Formula
A = l x w | P = 2(l + w) | d = sqrt(l^2 + w^2)
Frequently Asked Questions
How do you calculate the area of a rectangle?
Area = length x width. For a rectangle with length 10 and width 5, the area is 10 x 5 = 50 square units.
How do you find the diagonal of a rectangle?
Diagonal = sqrt(length^2 + width^2). This uses the Pythagorean theorem on the right triangle formed by length, width, and diagonal.
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