Cube Calculator

cube calculator will help you to calculate the volume and surface area of a cube. Use this calculator to find out the volume and surface area of a cube.

Cube side length(a):



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What is cube

A cube is a regular solid formed by six square faces, six right-angle triangles, and twelve edges. A cube can also be said to be a cuboid or a rectangular box. The length, width, and height of a cube are equal to the length of its edges, which means that it is a perfectly symmetrical shape.

Cube formula:-

  • Diagonal of cube = a√3 = side x √3
  • Cube of volume = (side)³ = a³
  • Curved/Lateral Surface Area of cube = 4a² = 4(side)²
  • Total Surface Area of cube = 6a² = 6(side)²

How to solve the cube problem

Example.1:-Cube side = 15 cm, find the volume of a cube, the diagonal of the cube and the total surface area

Diagonal of cube = a√3 = 25.981 cm

Volume of cube = a³ = 3375 cm³

Curved surface area = 4a² = 900 cm²

Total surface area = 6a² = 1350 cm²

See here the table of Cube value

cube side(Unit)DiagonalVolumeSurface area

How to use this cube calculator

Enter only the side length of a cube in the proper box and then press the “Calculate” key, you will see the volume of the cube calculated in a box to its right with a formula being used. However, if you want to enter a new value for a different volume, first clear the old value out of that box and then enter your new volume.