The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or ...

Very large volumes may be measured in cubic meters (1 cubic meter = about 264 gallons). Weight (or more technically accurate, mass) in the metric system is measured in kilograms (kg). One kilogram ...

volume and weight. In other words, the French introduced not only national standards, but a system of standards. It survives today as the metric system.

The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or ...