Mass | Weight | |
Mass is the quantity of matter contained in the body. | Weight is the force of gravity acting on the body. | |
It is the measure of inertia of the body. | It is the measure of gravity. | |
Mass is a constant quantity. | Weight is not a constant quantity. It is different at different places. | |
It only has magnitude. | It has magnitude as well as direction. | |
Its SI unit is kilogram (kg) |