The differences between mass and weight:
The quantity of matter contained in a body is known as Mass. The force acted upon the object due to the pull of gravity, is called weight.
Mass is defined as the measurement of inertia and inertia is the feature of a body that opposes, the change in its state. On the other hand, weight is the measurement of force; wherein force is the product of mass and acceleration due to gravity.
While mass is the property of the object which remains same, throughout the universe. As against this, weight is that property of the substance that varies according to the location in the universe.
Mass is a scalar expression that has magnitude only. Unlike weight is a vector measure, that has both magnitude and direction.
Mass of an object can never be zero, whereas the weight of an object can be zero, if the gravitational force is not applied on the body, such as space.
The unit of measurement of mass is kilogram (Kg), gram (g) and milligram (mg). Conversely, the measurement unit of weight is Newtons (N).
The balance used in the measurement of mass is pan balance, lever balance, triple-beam balance and so on. On the contrary, spring balance or weighing machine are used to measure the weight.