Convert between Fluid ounce (UK) and other Volume units.
Fluid ounce (UK)
What is fluid ounce?
Throughout history, many definitions have been developed to describe fluid ounce. Fluid ounce is a unit of volume used in both the British Imperial and the U.S Customary systems of measurement.
It is defined in the Imperial system as 1⁄20 of an imperial pint, 1⁄160 of an imperial gallon.
It is defined in US system as 1⁄16 of a US fluid pint and 1⁄128 of a US liquid gallon.
Note that ounce differs from fluid ounce as ounce is a unit if weight or mass.