A system of units of measurement, also known as a system of units or system of measurement, is a collection of units of measurement and rules relating...

century, most nations of the former empire had officially adopted the metric system as their main system of measurement, but imperial units are still used alongside...

practical use of units of measurement have played a crucial role in human endeavour from early ages up to the present. A multitude of systems of units used to...

comprises a coherent system of units of measurement starting with seven base units, which are the second (symbol s, the unit of time), metre (m, length)...

United States customary units form a system of measurement units commonly used in the United States and most U.S. territories, since being standardized...

Chinese units of measurement, known in Chinese as the shìzhì ("market system"), are the traditional units of measurement of the Han Chinese. Although...

back to Ancient Roman units of measurement, and Carolingian and Saxon units of measure. The US Customary system of units was developed and used in the...

Traditional Japanese units of measurement or the shakkanhō (尺貫法) is the traditional system of measurement used by the people of the Japanese archipelago...

fraction of a base unit. Many of the unusual units of measurements listed here are colloquial measurements, units devised to compare a measurement to common...

A coherent system of units is a system of units of measurement used to express physical quantities that are defined in such a way that the equations relating...