Difference between revisions of "Troy weight"
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m (bold for troy ounce & troy pound) |
(wikilinked avoirdupois pound for clarity) |
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5,760 grain = 1 '''troy pound''' | 5,760 grain = 1 '''troy pound''' | ||
| − | 7,000 grain = 1 avoirdupois pound | + | 7,000 grain = 1 [[US Customary System of Units#Pound|avoirdupois pound]] |
Revision as of 21:55, April 15, 2013
Troy weight has been used to measure gold, silver and other precious metals, dating back to the Middle Ages. There are 480 grains in a troy ounce, and 12 troy ounces in 1 troy pound. In metric units, the troy ounce weighs about 31.1 grams, while a regular ounce is around 28.3 grams.
A troy ounce is slightly heavier than an ordinary ounce: there are 14.58 troy ounces in one conventional pound.
480 grain = 1 troy ounce
12 troy ounce = 1 troy pound
5,760 grain = 1 troy pound
7,000 grain = 1 avoirdupois pound