Unit of measure

Units of measurement are internationally accepted quantities for measurement, which are used to compare a physical quantity with a standard of measurement. Any other quantity of this kind can be expressed as a product of a unit of measure. In most countries of the world, the legal system of units of measurement in the SI metric system (international system, from the French name Système international). The second system, in use in the United States and some other countries, is the Anglo-Saxon system of measures. 

Each company, in accordance with its activity, can predefine the units of measure in the system that will be used. For example, in the production company, the most common units of mara that are used are Piece, Kilogram, Meter, Square meter, Package, etc.