Although there have been many different measurements and the definitions of the units have been revised, the official system of measurements of most countries is the modern form of the metric system which is known as the international system of units. Learning the si (international system of units, commonly known as the metric system) is easy The metric system had its beginnings back in 1670 by a mathematician called gabriel mouton
METRIC SOCKET SET
The modern version, (since 1960) is correctly called international system of units or si (from the french système international ).
Table of metric system prefixes, symbols, and multiplication factors
The metric system defines prefixes and corresponding symbols for positive and negative powers of 10, as applied to each unit of measure. The metric system was invented in france in the years following the french revolution, and a version of it is now used in most of the world to measure distance, weight, and volume. Explore and learn more about metric systems with definition, conversions, and examples. Using or relating to a system of measurement that uses metres, centimetres, litres, etc.