What is an avoirdupois ounce?
An avoirdupois ounce is a unit of weight in the avoirdupois system, commonly used in the United States and other countries for measuring goods that are typically sold by weight.
It is equal to 1/16 of a pound or approximately 28.35 grams. The avoirdupois system is based on a pound of 16 ounces, with larger units such as tons and pounds used for heavier measurements.
What are Troy Ounces?
Troy ounces are a unit of measurement commonly used in the precious metals industry, particularly for weighing gold, silver, and other precious metals.
One troy ounce is equivalent to approximately 31.1035 grams, which is slightly heavier than a standard avoirdupois ounce. The term "troy" originates from the city of Troyes in France, where this unit of measurement was historically used in the trade of precious metals.