volume · International · Modern
Non-SI unit accepted for use with the SI; 1 L = 1 dm³ = 10⁻³ m³.
Converter
volume · UK / US · Modern / historical
fluid ounce (US)
fl oz (US)exact
- Record
- M087
- Definition quality
- Standardized
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
1 U.S. fluid ounce = 1/128 U.S. gallon = 29.5735295625 mL.
Reference value
One fluid ounce (US) is equal to 2.957353 × 10^-5 cubic metres.
History & use
U.S. customary liquid capacity uses 128 fluid ounces per gallon.
Modern use
Modern-use scope is context-dependent; the website should follow the record's current-status and regional/system labels rather than imply universal use.
Did you know?
The U.S. fluid ounce is smaller than the Imperial fluid ounce.
Sources & evidence
Related measurements
volume · International · Modern
1 mL = 10^-3 L = 10^-6 m³.
volume · International · Modern
Coherent SI derived unit for volume, equal to metre cubed.
fluid ounce (Imperial)
fl oz (Imp)volume · UK / US · Modern / historical
1 Imperial fluid ounce = 1/160 Imperial gallon = 28.4130625 mL.
cup (US customary)
cup (US)volume · UK / US · Modern / historical
1 U.S. customary cup = 8 U.S. fluid ounces = 236.5882365 mL.
pint (US liquid)
pt (US liq)volume · UK / US · Modern / historical
1 U.S. liquid pint = 1/8 U.S. gallon = 0.473176473 L.
pint (Imperial)
pt (Imp)volume · UK / US · Modern / historical
1 Imperial pint = 1/8 Imperial gallon = 0.56826125 L.
quart (US liquid)
qt (US liq)volume · UK / US · Modern / historical
1 U.S. liquid quart = 1/4 U.S. gallon = 0.946352946 L.