volume · International · Modern
Non-SI unit accepted for use with the SI; 1 L = 1 dm³ = 10⁻³ m³.
Converter
volume · United States · Modern
acre-foot
acre·ftexact
- Record
- M429
- Definition quality
- Standardized
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
For the international-foot acre used here, 1 acre-foot = 43,560 ft³ = 1233.48183754752 m³ exactly.
Reference value
One acre-foot is equal to 1,233 cubic metres.
History & use
Common U.S. water-resource volume.
Modern use
Current-use record in the project inventory; exact scope should follow the definition and regional/system context shown here.
Did you know?
Legacy survey-foot acre-foot values must remain distinct.
Sources & evidence
Source tier Tier A · confidence High
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 (US)
fl oz (US)volume · UK / US · Modern / historical
1 U.S. fluid ounce = 1/128 U.S. gallon = 29.5735295625 mL.
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.