Density is the ratio of an object’s mass to volume. Density is a calculated value and not a measured value.
Mass is the amount of matter present in a body.
From the formula to calculate density;
![How to Calculate Mass from Density.](https://www.learntocalculate.com/wp-content/uploads/2020/04/calculate-density.png)
We get;
![How to Calculate Mass from Density.](https://www.learntocalculate.com/wp-content/uploads/2020/04/calculate-density.png-2.png)
Example:
Calculate the mass of a block of wood whose volume is 0.5 m³ and its density is 10 Kg/m³ .
![How to Calculate Mass from Density.](https://www.learntocalculate.com/wp-content/uploads/2020/04/calculate-density.png-3.png)
Therefore, the mass of the block of wood is 5 Kg.