Convertir mètre en foot (us survey)

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Vice versa: foot (us survey) en mètre

mètre

La metre (Commonwealth spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μετρούν, "measure") is the unité de base de longueur dans le Système international d'unités (SI) (SI). The unité SI symbol is m. Le mètre est défini comme the length of the path travelled by light in a vacuum in 1/299,792,458 of a second.

Le mètre was à l'origine defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximativement 40000 km. In 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. In 1983, the current definition a été adopté. 


Foot (US Survey)

La US survey foot (symbol: ft) est une unité de length défini comme exactement 1200/3937 metres, approximativement 0.3048006 metres, fractionally longer than the international foot of 0.3048 metres. Il était used as the basis for all geodetic surveys and public land surveys in the États-Unis, and underpins related survey units tel que the US survey chain, rod, and mile. The US survey foot was officially retired by the National Institute of Standards and Technology on 1 January 2023. 


Table de conversion mètre en Foot (US Survey)
mètreFoot (US Survey)
13.28083
26.56167
516.4042
1032.8083
2582.0208
50164.042
100328.083
5001640.42
10003280.83

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