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`A = 6* "s" ^2`
Enter a value for all fields
The Surface Area of a Cube calculator computes the surface area of the cube based on the equation A = 6•s2, where s is the uniform length of the sides. 
Cube - All sides
of equal length (s)
INSTRUCTIONS: Choose units and enter the following:
- (s) This is the length of one side of the cube.
Surface Area of a Cube (A): The area is returned in square meters. However, this can be automatically converted to other area units via the pull-down menu.
The Math / Science
Face of one side of a cube is a square of dimensions s by s. The area of a square is:
- A = s x s = s²
There are six equal sides of a cube, so the formula of the surface area of a cube is:
SA = 6•s²
where:
- SA is the surface area of the cube
- s is the length of the sides of the cube