Search results
Results from the WOW.Com Content Network
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).
1,760 yards: On 1 July 1959, the imperial mile was standardized to an exact length in metres 1,609.3472 (statute) mile: United States: 1893: today: 1,760 yards: From 1959; also called the U.S. Survey Mile. From then its only utility has been land survey, before it was the standard mile. From 1893 its exact length in metres was: 3,600 / ...
Length. For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use. From 1893, the foot was legally defined as exactly 1200⁄3937 m (approximately 0.304 8006 m). [13] Since July 1, 1959, the units of length have been defined on the basis of 1 yd = 0 ...
The chain (abbreviated ch) is a unit of length equal to 66 feet (22 yards), used in both the US customary and Imperial unit systems. It is subdivided into 100 links. [1][2] There are 10 chains in a furlong, and 80 chains in one statute mile. [2] In metric terms, it is 20.1168 m long. [2] By extension, chainage (running distance) is the distance ...
1.8288 metres exactly (Official international definition of the fathom) [10] 1.828804 m (Obsolete measurement of the fathom based on the US survey foot, only for use of historical and legacy applications) [11] 2 yards (1 yard is exactly 1 ⁄ 2 fathom) 6 feet (1 foot is exactly 1 ⁄ 6 fathom) 18 hands; 72 inches; 1 metre is about 0.5468 fathoms
Nautical mile: Length: Rhumb: Angle: The angle between two successive points of the thirty-two point compass (11 degrees 15 minutes) (rare) [1] Shackle: Length: Before 1949, 12.5 fathoms; later 15 fathoms. [2] Toise: Length: Toise was also used for measures of area and volume Twenty-foot equivalent unit or TEU: Volume: Used in connection with ...
Of the 35 pool-based events, swimmers from the United States hold fifteen records, Australia five, France four, China, Canada and South Africa two each, and one each to Ireland, Great Britain, Russian Olympic Committee, Hungary, and Sweden. Nineteen of the current Olympic records were set at the 2024 Summer Olympics, seven in 2020, five in 2016 ...
A cubic mile (abbreviation: cu mi or mi 3 [1]) is an imperial and US customary (non-SI non-metric) unit of volume, used in the United States, Canada and the United Kingdom. It is defined as the volume of a cube with sides of 1 mile (63360 inches , 5280 feet , 1760 yards or ~1.609 kilometres ) in length .