Ounce [oz]
The ounce is a unit of mass used in the imperial and U.S. customary systems, primarily for measuring small weights like food, mail, and precious metals.
Key Facts:
1 oz = 0.0625 lb
1 oz ≈ 28.35 g
Commonly used in the U.S. for groceries, recipes, and postal items
Not the same as the troy ounce, which is used for precious metals
The ounce is a practical, everyday unit for measuring smaller weights, especially in non-metric countries like the U.S.