The troy ounce (oz t) is the traditional unit for precious metals and equals exactly 31.1034768 grams — heavier than the everyday avoirdupois ounce (28.35 g). International spot prices are quoted per troy ounce; European retail products are usually labelled in grams. One kilogram equals 32.1507 troy ounces. Our calculators convert between grams, kilograms and troy ounces at the live reference price.
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Troy ounce vs gram
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