Troy Ounce Unit of Weight

Troy ounce (symbol: oz t or ozt) is a unit of mass used primarily for weighing precious metals such as gold, silver, platinum, and palladium. One troy ounce is exactly equal to 31.1034768 grams, making it heavier than the avoirdupois ounce, which is commonly used for everyday goods. The troy ounce is the international standard for pricing and trading bullion, coins, and precious metals, and it is frequently converted to grams, kilograms, and avoirdupois ounces in global commodity markets and jewelry applications.