There are 12 oz. Troy per pound for precious metals. Avoirdupois is a British based measurement that we use, i.e., 16 oz. per pound, etc. If it helps, it’s 31.1 grams per Troy oz. It’s 28.0 gram per oz. Avoirdupois.

There are 12 oz. Troy per pound for precious metals. Avoirdupois is a British based measurement that we use, i.e., 16 oz. per pound, etc.