The volume of a cube is the space that the cube occupies. To help you study maths, we'll explain how to find volume of a cube.
The cube is a geometric solid in which all edges have the same measure. Width, lenght and height have all the same measure. Thus, as the volume of an object is calculated by the product of the length and the width and height, then:
a - edge
Hope that this was helpfull to you learn how to find volume of a cube and to you study maths.