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A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 / 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).
The French lieue — at different times — existed in several variants, namely 10,000, 12,000, 13,200 and 14,400 French feet, about 3.25 to 4.68 km (2.02 to 2.91 miles). It was used along with the metric system for a while, but is long discontinued.
In formal situations (such as official road signs) only kilometres are given. The Swedish mile was standardised as 36,000 Swedish feet or 10.6884 kilometres (6.6415 miles) in 1649; before that it varied by province from about 6 to 14.485 km. [43] Before metrication, the Norwegian mile was 11.298 kilometres (7.020 miles).
yards Itinerary 157 m 172 yd used in measuring the distance of a journey. [5] ... This page was last edited on 31 December 2024, at 12:15 (UTC).
The marathon is a long-distance foot race with a distance of 42.195 kilometres ... a distance of over 240 kilometres (150 mi) each way. [12] ... (586 yards 2 feet; ...
It was only in 1867 that the term "kilometer " became the only official unit of measure in the Netherlands to represent 1000 metres. [ 10 ] Two German textbooks dated 1842 [ 11 ] [ 12 ] and 1848 [ 13 ] respectively give a snapshot of the use of the kilometre across Europe: the kilometre was in use in the Netherlands and in Italy, and the ...
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A cable's length (often "cable length" or just "cable") is simply the standard length in which cables came, which by 1555 had settled to around 100 fathoms (600 ft; 180 m) or 1 ⁄ 10 nautical mile (0.19 km; 0.12 mi). [1] Traditionally rope is made on long ropewalks, the length of which determines the maximum length of rope it is possible to make.