One of the most basic mathematics that you study is learning volume and density. Volume and density of an object defines the weight. However here we are ready to learn how to calculate volume of a cube. Let us start with the definition of a cube.

**What is a cube?**

According to geometry is a three dimensional symmetrical shape either solid of hollow which consists of 6 parts in all. Each of these 6 sides meet at a right angle and it has 8 vertices and 12 edges.

**How to calculate volume of a cube?**

The number of cubic units that will exactly fill inside a particular cube is termed as the volume of the cube. Following are few of the most important pointers that you need to follow before learning how to calculate volume of a cube shape:

- Understand that a cube is like an empty box. It absolutely has nothing inside. The walls of the box have no thickness at all.
- According to this, a certain cube has no volume at all. The volume of a cube is actually the amount of liquid or the total number of units cubes that would fit inside the cube.
- Let’s explain this with an example, take a real empty metal box and then you need to melt it down. The small metal chunk that remains is the volume or the mass that fits inside the cube. However if the box contains zero thickness and is made up of metal. then you would get not metal. This is where we bring our inference that cube has no volume at all.
- The right way of saying it is that the volume is enclosed by a cube.
- Remember that the length and the volume of the cube will be in similar units. Which means that if the length is in miles, then the volume will be cubic miles.

**Let’s understand how to calculate volume of the cube with the following example.**

You can calculate the volume of the cube if you know the measurement of one side of the cube. Let’s take an example for this:

Side of a cube= 3cm

Formula of a cube= side x side x side

3 x 3 x 3 = 21

Hence the volume of the cube is 21 cubic cm.

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