Fluid ounce
Unit of volume in imperial and US customary / From Wikipedia, the free encyclopedia
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A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl., old forms ℥, fl ℥, f℥, ƒ ℥) is a unit of volume (also called capacity) typically used for measuring liquids. The British Imperial, the United States customary, and the United States food labeling fluid ounce are the three that are still in common use, although various definitions have been used throughout history.
Fluid ounce | |
---|---|
General information | |
Unit system | Imperial units, US customary units |
Unit of | Volume |
Symbol | fl oz |
Conversions (imperial) | |
1 imp fl oz in ... | ... is equal to ... |
SI units | 28.41306 mL |
US customary units | 0.9607599 US fl oz |
Conversions (US) | |
1 US fl oz in ... | ... is equal to ... |
SI units | 29.57353 mL |
Imperial units | 1.040843 imp fl oz |
An imperial fluid ounce is 1⁄20 of an imperial pint, 1⁄160 of an imperial gallon or exactly 28.4130625 mL.
A US customary fluid ounce is 1⁄16 of a US liquid pint and 1⁄128 of a US liquid gallon or exactly 29.5735295625 mL, making it about 4.08% larger than the imperial fluid ounce.
A US food labeling fluid ounce is exactly 30 mL.