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The Winchester bushel is the volume of a cylinder 18.5 in (470 mm) in diameter and 8 in (200 mm) high, which gives an irrational number of approximately 2150.4202 cubic inches. [4] The modern American or US bushel is a variant of this, rounded to exactly 2150.42 cubic inches, less than one part per ten million less. [ 5 ]
From 1833 the rupee and tolā weight was fixed at 180 grains, i.e. 11.66382 grams. Hence the weight of 1 maund increased to 37.324224 kilogram. [ 3 ] Traditionally one maund represented the weight unit for goods which could be carried over some distance by porters or pack animals.
A coomb was 16 stone (100 kg) for barley and 18 stone (110 kg) for wheat. The US grain markets quote prices as cents per bushel , and a US bushel of grain is about 61 lb (28 kg), which would approximately correspond to the 4-bushel coomb (4 × 61 lb = 244 lb ≈ 111 kg).
Indeed, the bushel, the best-known unit of dry measure because it is the quoted unit in commodity markets, is in fact a unit of mass in those contexts. Conversely, the ton used in specifying tonnage and in freight calculations is often a volume measurement rather than a mass measurement.
The hobbit was defined as a measure of volume, two and a half imperial bushels, but in practice it was often used as a unit of weight for specific goods. [1] According to George Richard Everitt, Inspector of Corn Returns for Denbigh in northern Wales, when examined by the House of Commons in 1888, grains were sold by the hobbit, measured by weight.
A peck is an imperial and United States customary unit of dry volume, [1] equivalent to 2 dry gallons or 8 dry quarts or 16 dry pints. An imperial peck is equivalent to 9.09 liters and a US customary peck is equivalent to 8.81 liters. Two pecks make a kenning (obsolete), and four pecks make a bushel.
Metrication, or the conversion to a measurement system based on the International System of Units (SI), occurred in India in stages between 1955 and 1962. The metric system in weights and measures was adopted by the Indian Parliament in December 1956 with the Standards of Weights and Measures Act, which took effect beginning 1 October 1958.
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.