如何计算Precious Metals Weight Converter
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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.
公式
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))
分步指南
- 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
例题解析
输入
1 kg of gold at $2,300/troy oz
结果
32.15 troy oz × $2,300 = $73,944
输入
100g silver at $27/troy oz
结果
100 ÷ 31.1035 = 3.215 troy oz × $27 = $86.80
常见问题
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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