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`A = 2( "L" * "W" + "L" * "H" + "W" * "H" )`
Enter a value for all fields
The Surface Area of a Cuboid calculator computes 
the surface area of a cuboid based on the length, height and width (see diagram).
INSTRUCTIONS: Choose the preferred units and enter the following:
- (L) This is the length of the cuboid.
- (H) This is the height of the cuboid.
- (W) This is the width of the cuboid.
Cuboid Surface Area (A): The area (A) is returned in square meters. However, this can be automatically converted into many other area units via the pull-down menu.
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The Math / Science
The formula for the surface area of a cuboid is:
A = 2•(W•L+L•H+H•W)
where:
- A is the surface area of a cuboid.
- W is the width of the cuboid.
- L is the length of the cuboid.
- H is the height of the cuboid.