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Weight is measured in ounces and pounds (avoirdupois) as in the U.S. Volume is measured in imperial gallons, quarts, pints, fluid ounces, fluid drachms, and minims. The imperial gallon was originally defined as 10 pounds (4.5359 kg) of water in 1824, and refined as exactly 4.54609 litres in 1985.
One US liquid pint of water weighs 1.04318 pounds (16.6909 oz), which gives rise to a popular saying: "A pint's a pound the world around". [ 13 ] However, the statement does not hold around the world because the British imperial pint, which was also the standard measure in Australia, India, Malaya, New Zealand, South Africa and other former ...
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 and 1 ⁄ 128 of a US liquid gallon or exactly 29.5735295625 mL, making it about 4.08% larger than the imperial fluid ounce. A US food labeling fluid ounce is exactly 30 mL.
The saying, "a pint's a pound the world around", refers to 16 US fluid ounces of water weighing approximately (about 4% more than) one pound avoirdupois. An imperial pint of water weighs a pound and a quarter (20 oz).
An imperial fluid ounce is defined in British law as exactly 28.4130625 millilitres, [15] while a US customary fluid ounce is exactly 29.5735295625 mL, [16] and a US food labelling fluid ounce is 30 mL. [17] The fluid ounce is sometimes referred to simply as an "ounce" in contexts where its use is implicit, such as bartending.
In 1963, this definition was refined as the space occupied by 10 pounds of distilled water of density 0.998 859 g/mL weighed in air of density 0.001 217 g/mL against weights of density 8.136 g/mL (the original "brass" was refined as the densities of brass alloys vary depending on metallurgical composition), which was calculated as 4.546 091 879 ...
An exit to the West Front of the U.S. Capitol building is pictured on the day it was announced U.S. President-elect Donald Trump's inauguration is being moved indoors due to dangerously cold ...
The Roman drachma was a weight of 1 ⁄ 96 Roman pounds, or about 3.41 ... 3.551 632 8125 ml in the British Imperial ... to accurately count and economize water, ...