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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.
long ton: LT (none) 2,240 lb used mostly in the British Commonwealth except Canada 1.0 long ton (1.0 ... troy ounce: ozt ozt 1.0 ...
The original mercantile pound of 25 shillings or 15 (Tower) ounces was displaced by, variously, the pound of the Hanseatic League (16 tower ounces) and by the pound of the then-important wool trade (16 ounces of 437 grains). A new pound of 7,680 grains was inadvertently created as 16 troy ounces, referring to the new troy rather than the old ...
Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where ... ≡ 1 mg × 1 short ton ÷ 1 oz t = 29.1 6 g ton, long:
Another difference arose when Britain abolished the troy pound (373.241 7216 g) on 1 January 1879, leaving only the troy ounce (31.103 4768 g) and its decimal subdivisions, whereas the troy pound (of 12 troy ounces) and pennyweight are still legal in the United States, although they are no longer widely used.
A troy ounce equals 1.097 standard ounces, or about 10 percent more, and it’s the standard measure for the weight of gold. A pound is equal to 16 standard ounces, so even a small amount of gold ...
ton: tonne: 2,000 lb 907.18474 kg: cental or hundredweight: quintal: 100 lb 45.359237 kg pound: livre: 0.45359237 kg 453.59237 g: ounce: once: 1 ⁄ 16 lb or 437 + 1 ⁄ 2 grains 28.349523 g dram: drachme: 1 ⁄ 16 oz 1.771845195 g grain: grain: 1 ⁄ 7,000 lb 64.79891 mg: precious metals: troy ounce: once troy: 480 grains 31.1034768 g precious ...
A troy ounce (abbreviated oz t) is equal to 480 grains. Consequently, the international troy ounce is equal to exactly 31.1034768 grams. There are 12 troy ounces in the now obsolete troy pound. Today, the troy ounce is used only to express the mass of precious metals such as gold, platinum, palladium, rhodium or silver.