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The troy ounce (31.1035 g) is the standard unit for weighing precious metals — gold, silver, platinum, and palladium. It differs from the avoirdupois ounce (28.3495 g) used for everyday items.
Формула
1 troy ounce = 31.1035 grams | 1 avoirdupois ounce = 28.35 grams
- troy oz
- Troy Ounce Weight (oz (troy))
- g
- Grams (g)
- avdp oz
- Avoirdupois Ounce (oz (avdp))
Пошаговое руководство
- 11 troy ounce = 31.1035 grams
- 21 troy ounce = 1.09714 avoirdupois ounces
- 31 kilogram = 32.1507 troy ounces
- 4Gold price is always quoted per troy ounce
Решённые примеры
Ввод
1 kg of gold at $2,300/troy oz
Результат
32.15 troy oz × $2,300 = $73,944
Ввод
100g silver at $27/troy oz
Результат
100 ÷ 31.1035 = 3.215 troy oz × $27 = $86.80
Часто задаваемые вопросы
Why does gold use troy ounces?
Precious metals (gold, silver, platinum) use troy ounces for historical reasons dating to medieval commerce. Troy ounces are also used for gemstones and pharmaceuticals.
How do troy ounces and regular ounces differ?
Troy ounces are heavier: 1 troy oz = 31.1g, while 1 avoirdupois oz = 28.35g. Never confuse them when buying precious metals!
Is the troy ounce system still official?
Yes, troy ounces remain the legal standard for precious metals globally. The US even defines the troy ounce in federal law.
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