Metric system
Overview
Decimal
The decimal numeral system has ten as its base. It is the numerical base most widely used by modern civilizations....
ised system of measurement
Systems of measurement
A system of measurement is a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce...
. France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
was first to adopt a metric system, in 1799, and a metric system is now the official system of measurement
Systems of measurement
A system of measurement is a set of units which can be used to specify anything which can be measured and were historically important, regulated and defined because of trade and internal commerce...
, used in almost every country in the world. The United States is the only industrialised country in the world that has not defined a metric system as its official system of measurement, although the use of a metric system has been sanctioned for use there since 1866.
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