Enter the length of the side of the cube, specify the accuracy of the calculation and click on "Calculate". The calculator will calculate the surface area of a cube.
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Cube or hexahedron - regular polyhedron, each face of which is a square. Individual case parallelepiped prism.
Since all edges of the cube have the same length, then there is no need to distinguish between the length, width and height. Surface area of the cube is the sum of the areas of all sides: 
Diagonal of a cube is the line connecting the two vertices are symmetrical about the center of the cube. The diagonal of a cube is given by 
Analogue of the cube in four-dimensional Euclidean space has a special name - a tesseract or hypercube.