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Art Collecting
Units of Measure
Gold and Precious Metals

How many grams of silver in an ounce?


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December 15, 2011 3:25PM

31.1 in an American ounce.

There is no American ounce. There is the Avoirdupois ounce which is 28.35 grams and the troy ounce which is 31.10g used for quantifying gold and silver bullion.