Category: Metrication in France

The poncelet (symbol p) is an obsolete unit of power, once used in France and replaced by cheval-vapeur (ch, metric horsepower). The unit was named after Jean-Victor Poncelet. One poncelet is defined
Claude Boniface Collignon
Claude Boniface Collignon (died 1819) was a French attorney who contributed to scientific and social reforms in the time of the French Revolution. He was a member of several European academies of scie
Decimal time
Decimal time is the representation of the time of day using units which are decimally related. This term is often used specifically to refer to the time system used in for a few years beginning in 179
Units of measurement in France
France has a unique history of units of measurement due to its radical decision to invent and adopt the metric system after the French Revolution. In the Ancien régime and until 1795, France used a sy
Metre Convention
The Metre Convention (French: Convention du Mètre), also known as the Treaty of the Metre, is an international treaty that was signed in Paris on 20 May 1875 by representatives of 17 nations (Argentin
Mesures usuelles
Mesures usuelles (French pronunciation: ​[məzyʁ yzɥɛl], customary measurements) were a French system of measurement introduced by Napoleon I in 1812 to act as compromise between the metric system and