Difference between revisions of "Troy weight"
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7,000 grain = 1 [[US Customary System of Units#Pound|avoirdupois pound]] | 7,000 grain = 1 [[US Customary System of Units#Pound|avoirdupois pound]] | ||
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Revision as of 13:28, April 16, 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