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The table of imperial avoirdupois mass is the same as the United States table up to one pound, but above that point, the tables differ. The imperial system has a hundredweight, defined as eight stone of 14 lb each, or 112 lb ( 50.802 345 44 kg ), whereas a US hundredweight is 100 lb ( 45.359 237 kg ).
The apothecaries and troy pounds are divided into 12 ounces (of 480 grains) while the avoirdupois pound has 16 ounces (of 437.5 grains). The unit of volume, the gallon , has different values in the United States and in the United Kingdom – the US fluid gallon being about 0.83 imperial gallons and the US dry gallon being about 0.97 imperial ...
One-troy-ounce (480 gr; 31 g) samples of germanium, iron, aluminium, rhenium and osmium A Good Delivery silver bar weighing 1,000 troy ounces (83 troy pounds; 31 kg) Troy weight is a system of units of mass that originated in the Kingdom of England in the 15th century [ 1 ] and is primarily used in the precious metals industry.
80 minim or drops or 1 ⁄ 6 fl oz Tablespoon: 15 mL: 4 dram (240 minim or drops), 3 teaspoons, or 1 ⁄ 2 fl oz Jack: 71 mL: 1 ⁄ 2 Gill. This is not a traditional measure. Gill: 142 mL: 1 ⁄ 4 pint, or 1 ⁄ 32 gallon, in some dialects 1 ⁄ 2 pint. Pronounced as "Jill" Pint: 568 mL: 1 ⁄ 8 gallon Quart: 1.136 litre: 2 pints or 1 ⁄ 4 ...
Troy weight was customarily used for precious metals, black powder, and gemstones. The troy ounce is the only unit of the system in current use; it is used for precious metals. Although the troy ounce is larger than its avoirdupois equivalent, the pound is smaller. The obsolete troy pound was divided into 12 ounces, rather than the 16 ounces ...
The troy ounce is heavier than the avoirdupois ounce, a commonly used unit for measuring weight in the United States customary system. [ 5 ] The standard gold bar held and traded internationally by central banks and bullion dealers is the Good Delivery bar with a 400 ozt (12.4 kg; 27.4 lb) nominal weight.
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A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz). [ 12 ] [ citation needed ] These amounts bear the same ratio to a milligram as a short or long ton bears to a troy ounce .