Final answer:
Mass is the quantity that might be measured in kilograms. The kilogram (kg) is the base SI unit of mass and is used to measure the mass of objects.
Step-by-step explanation:
A kilogram is used to measure mass, which is the quantity that might be measured in kilograms. Mass is a measure of the amount of matter that an object contains. The kilogram (kg) is the base SI unit of mass and is defined as the mass of a platinum-iridium cylinder kept at the International Bureau of Weights and Measures. It is used to measure the mass of objects, such as people, animals, or everyday items.