Mass is the actual amount of material contained in a body and is measured in kg, gm, etc. Whereas weight is the force exerted by the gravity on that object mg. Note that mass is independent of everything.
Mass is the amount of matter in an object. Mass is often measured in kilograms or grams. The masses of two objects are compared using a balance. Weight is the downward pull on an object due to gravity. Weight is often measured in newtons or pounds, using a spring scale.
