US fluid ounce fl oz
About the US fluid ounce
The US fluid ounce is one 128th of a US gallon, exactly 29.5735295625 millilitres. For nutrition labelling the FDA rounds it to 30 mL. It is slightly larger than the imperial fluid ounce even though the US pint is smaller, because a US pint has 16 fluid ounces against the imperial 20.
Related Units
US liquid gallon
gal231 in³ = 3.785411784 L (exact)
The US gallon is defined as 231 cubic inches, exactly 3.785411784 litres. It descends from the English Queen Anne wine...
US pint
pt473.176473 mL (exact)
The US liquid pint is one eighth of a US gallon, 16 US fluid ounces, exactly 473.176473 millilitres. A separate US dry...
US cup
c236.5882365 mL (customary); 240 mL (legal)
The US customary cup is half a US pint, exactly 236.5882365 millilitres, and is the standard measure in American...
Teaspoon
tsp4.92892159375 mL (US, exact)
The US teaspoon is one sixth of a US fluid ounce, exactly 4.92892159375 millilitres. In metric countries and on...