fl oz
n. C / Un. Stands for fluid ounce. A unit of measurement used to show how much liquid is in a container, commonly used in the United States.
n. Abbreviation for fluid ounce. A unit of volume or capacity used for liquids in both the US customary and British imperial systems, roughly equivalent to 30 millilitres.
This bottle of water contains 16.9 fl oz.
The recipe requires exactly 8 fl oz of heavy cream to ensure the sauce reaches the correct consistency.
Manufacturers are required to list the net quantity of contents in both fl oz and millilitres to satisfy international labelling standards for exported beverages.
Commonly used in recipes and product volume labelling. When used as a plural, the abbreviation 'fl oz' usually remains the same rather than adding an 's'.
fl. ozs.fl ozStandard abbreviations for units of measurement do not take a plural 's' in professional writing.
Last updated July 29, 2026