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The traditional French units of measurement prior to metrication were established under Charlemagne during the Carolingian Renaissance. Based on contemporary Byzantine and ancient Roman measures , the system established some consistency across his empire but, after his death, the empire fragmented and subsequent rulers and various localities ...
Mesures usuelles (French pronunciation: [məzyʁ yzɥɛl], customary measures) were a French system of measurement introduced by French Emperor Napoleon I in 1812 to act as compromise between the metric system and traditional measurements. The system was restricted to use in the retail industry and continued in use until 1840, when the laws of ...
Many pre-metric units were reintroduced, with their old relations to each other, but were redefined in terms of metric units. Thus the aune was defined as 120 centimetres and the toise (fathom) as being two metres, with as before six pied (feet) making up one toise, twelve pouce (inches) making up one pied and twelve lignes making up one pouce.
stång – 16 fot, for land measurement; ref – 160 fot, for land measurement, was 100 fot after 1855. stenkast – Stone's throw, approx 50 m, used to this day as an approximate measure. fjärdingsväg – 1 ⁄ 4 mil; skogsmil – Also rast, distance between rests in the woods, approx 5 km. nymil – New mile from 1889, 10 km exactly.
It is a standard measurement of mass for agricultural products in those countries. In France it used to be defined as 100 livres (pounds), about 48.95 kg (108 lb), and has been redefined as 100 kg ( mesures usuelles ), thus called metric quintal with symbol qq .
French units could refer to any of: Units of measurement in France before the French Revolution, used in France until 1795. Mesures usuelles, used in France until 1839. The International System of Units, the present-day metric system of units. The French catheter scale, used for measuring the diameters of medical catheters.
It was usually used to measure depth, tunnel driving and the size of mining fields; it was also used for contract work. In mining in the German-speaking countries, it was the primary unit of length. Ligne – a French unit of length, roughly equal to 2.25 mm (0.089 in), or 9 points
The ligne is still used by French and Swiss watchmakers. There are 12 lignes to one French inch . The standardized conversion for a ligne is 2.2558291 mm (1 mm = 0.443296 ligne), [4] and it is abbreviated with the letter L or represented by the triple prime, ‴. [5] One ligne is the equivalent of 0.0888 international inch.