What is a ounce?
An ounce is a customary unit of mass commonly used for small quantities.
Weight unit
Ounce (oz)
An ounce is a customary unit of mass commonly used for small quantities.
Measurement system
US customary and Imperial
Common uses
- Food portions
- Precious metals
Conversion examples
Related units
Related converters
Frequently asked questions
What measurement system uses ounces?
Ounce is used in the US customary and Imperial measurement system.
What is the base unit for ounces?
Ounce is normalized through the kilogram base unit in this converter.
What are ounces commonly used for?
Ounces are commonly used for Food portions, Precious metals.