Geographical mile longitude at the equator is thus exactly 60 geographical miles. It was closely related to the nautical mile, which was originally determined as 1 minute of arc along a great circle of the Earth, but is nowadays defined as exactly 1852 metres. The US National Institute of Standards and Technology (NIST) notes that: "The international nautical mile of 1 852 meters (6 076.115 49...feet) was adopted effective July 1, 1954, for use in the United States. The value formerly used in the United States was 6 080.20 feet = 1 nautical (geographical or sea) mile." (6080.2 feet is 1853.24496 meters.)
Obsolete Russian units of measurement as the pood is used when referencing the weight of a kettlebell, a Russian invention, especially in CrossFit. The Imperial Russian apothecaries' weight was defined by setting the grain () to be exactly seven-fifths of a "dolia". The only unit name shared between the two was the "funt" (pound), but the one in the apothecaries' system is exactly seven-eighths of the ordinary "funt". The obsolete units of measurement survived in Russian culture in a number of idiomatic expressions and proverbs, for example: Obsolete Russian units of measurement A native system of weights and measures was used in Imperial Russia and