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US Customary System of Units (view source)
Revision as of 14:50, April 15, 2013
, 14:50, April 15, 2013→Supplementary Units: furlongs used in horse racing
* The ''fathom'' is the length of a rope held between two outstretched arms. It is defined as six feet. It is used as a unit of depth at sea by British mariners, but the usual unit of depth at sea in the USA is the foot.
* The ''fathom'' is the length of a rope held between two outstretched arms. It is defined as six feet. It is used as a unit of depth at sea by British mariners, but the usual unit of depth at sea in the USA is the foot.
* The ''rod'' is the length of a queue of sixteen persons. By convention, the rod is defined as five and one-half yards, or sixteen and one-half feet. 320 rods would therefore make a mile. The rod is rarely if ever used as a measure nowadays.
* The ''rod'' is the length of a queue of sixteen persons. By convention, the rod is defined as five and one-half yards, or sixteen and one-half feet. 320 rods would therefore make a mile. The rod is rarely if ever used as a measure nowadays.
* The ''furlong'' is one-eighth of a mile, or 40 rods. It is close in length to the Roman stadium, which was one-eighth of a Roman mile.
* The ''furlong'' is one-eighth of a mile, or 40 rods. It is close in length to the Roman stadium, which was one-eighth of a Roman mile. It is used in [[horse racing]]
* The ''chain'', one-eightieth of a mile or 66 feet. It is used in land measure and on the railways. Importantly, the distance between the sets of stumps on a [[cricket]] pitch is 1 chain.
* The ''chain'', one-eightieth of a mile or 66 feet. It is used in land measure and on the railways. Importantly, the distance between the sets of stumps on a [[cricket]] pitch is 1 chain.