出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/05/15 23:09 UTC 版)
The troy ounce (ozt) is a unit of imperial measure. In the present day it is most commonly used to gauge the weight and therefore the price of precious metals. One troy ounce is equivalent to 31.1034768 grams. There are 32.1507466 troy oz in 1 kg. One troy ounce is equivalent to 1.09714 avoirdupois ounces.