IP Countries:
  • SI
G.I.X. Score
TITLE: units
SUMMARY: The International System of Units (SI Units) is the most widely used system of units. The SI is based on seven elementary units from which all others are devised. The SI was established in 1960 and the basic units used were meter, kilogram and second. SI units are used worldwide, but some countries still use old historical units. Basic seven units are: meter, kilogram, second, ampere, kelvin, candela and mole.