EEasyConvertAll

Weight unit

Ounce

oz

The avoirdupois ounce is a unit of mass equal to one-sixteenth of a pound. It is different from a fluid ounce, which measures volume.

What is a ounce?

The avoirdupois ounce is a unit of mass equal to one-sixteenth of a pound. It is different from a fluid ounce, which measures volume.

1 ounce = 1/16 pound = 28.349523125 grams

History

The word ounce traces to the Roman uncia, meaning one-twelfth. The modern avoirdupois ounce is standardized through the international pound.

Common uses

  • Food portions
  • Mail and parcels
  • Small products
  • Recipe ingredients by weight