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The system can be traced back to the measuring systems of the Hindus [18]: B-9 and the ancient Egyptians, who subdivided the hekat (about 4.8 litres) into parts of 1 ⁄ 2, 1 ⁄ 4, 1 ⁄ 8, 1 ⁄ 16, 1 ⁄ 32, and 1 ⁄ 64 (1 ro, or mouthful, or about 14.5 ml), [19] and the hin similarly down to 1 ⁄ 32 (1 ro) using hieratic notation, [20] as ...
The cup is a cooking measure of volume, commonly associated with cooking and serving sizes.In the US, it is traditionally equal to one-half US pint (236.6 ml). Because actual drinking cups may differ greatly from the size of this unit, standard measuring cups may be used, with a metric cup commonly being rounded up to 240 millilitres (legal cup), but 250 ml is also used depending on the ...
[a] Originally defined as the volume of 10 pounds (4.54 kg) of distilled water (under certain conditions), [b], then redefined by the Weights and Measures Act 1985 to be exactly 4.546 09 L (277.42 cu in), the imperial gallon is 1.62% smaller than the pre-1824 ale gallon.
Thirty years later in 1824, the imperial gallon was defined to be the volume occupied by ten pounds of water at 17 °C (62 °F). [5]: 394 This definition was further refined until the United Kingdom's Weights and Measures Act 1985, which makes 1 imperial gallon precisely equal to 4.54609 litres with no use of water. [11]
The quart (symbol: qt) [1] is a unit of volume equal to a quarter of a gallon. Three kinds of quarts are currently used: the liquid quart and dry quart of the US customary system and the imperial quart of the British imperial system. All are roughly equal to one liter. It is divided into two pints or (in the US) four cups. Historically, the ...
An imperial fluid ounce is 1 ⁄ 20 of an imperial pint, 1 ⁄ 160 of an imperial gallon, or exactly 28.4130625 mL. A US customary fluid ounce is 1 ⁄ 16 of a US liquid pint, 1 ⁄ 128 of a US gallon, or exactly 29.5735295625 mL, making it about 4.084% larger than the imperial fluid ounce. A US food labeling fluid ounce is exactly 30 mL.
The se'ah or seah (Hebrew: סאה sə’āh), plural se'im, is a unit of dry measure of ancient origin found in the Bible and in Halakha (Jewish law), which equals one third of an ephah, or bath. In layman's terms, it is equal to the capacity of 144 medium-sized eggs, or what is equal in volume to about 9 US quarts (8.5 litres). [1]
1713 12 Ann. c. 17 — The legal coal bushel to be round with a plain and even bottom, 19 + 1 ⁄ 2 inches from outside to outside and to hold 1 Winchester bushel and 1 quart of water. 1718 5 Geo. 1. c. 18 — Decreed Scots Pint to be exactly 103 in 3. 1803 43 Geo. 3. c. 151 — Referred to wine bottles making about 5 to the wine gallon (i.e ...