Gold Measurements
Gold Measurements. Gold measurements can be a bit confusing. The weight of gold is measured in troy ounces (1 troy ounce = grams), but its purity, or "fineness" has been measured in a few different ways: "parts fine," "% gold", and karats. (A major point of confusion is between "carat," which is a measure of weight for precious stones, and "karat", which is a purity measure for gold ...