Imperial fluid ounces to US fluid ounces Converter

Convert imperial fluid ounces to us fluid ounces instantly.

Common volume units

Imperial fluid ounce (fl oz)

Definition: Imperial fluid ounce na 1/160 of imperial gallon, about 28.4131 milliliters.

History/origin: E develop as small-volume subdivision of imperial gallon and remain different from US fluid ounce.

Current use: Imperial fluid ounces dey show mostly for old UK packaging, recipes, and legacy measurement references.

US fluid ounce (fl oz)

Definition: US fluid ounce na small liquid-volume unit. 128 US fl oz dey inside one US gallon, and each fl oz na about 29.57 mL.

History/origin: Fluid ounces separate liquid volume from weight ounces, and US version keep relationship to the American gallon.

Current use: US fl oz dey show for soda cans, water bottles, shampoo, lotion, medicine, nutrition facts, measuring cups, and American liquid recipes.