Ounce

Troy ounce

A troy ounce, often abbreviated as "oz t," is a unit of mass used predominantly in the context of precious metals, including gold, silver, platinum, and palladium. It is distinct from the more common avoirdupois ounce, which is used for everyday measurements in the United States and other countries.

A troy ounce is equivalent to approximately 31.1035 grams or 1.09714 avoirdupois ounces.

History

The historical origin of the troy ounce can be traced back to the Roman monetary system, and it has been used for measuring precious metals for centuries. The troy ounce is named after the city of Troyes in France, where an early standard of weights and measures was established.

Avoirdupois ounce

An avoirdupois ounce, often abbreviated as "oz" is a unit of mass commonly used in everyday situations for measuring items such as food, liquids, and various consumer products. It is distinct from the less common troy ounce, which is used in the measurement of precious metals, especially in the buying, selling, and trading of gold, silver, platinum, and palladium.

An avoirdupois ounce is equivalent to approximately 28.3495 grams or 0.0625 pounds.

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