The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States, Canada and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length.
1 cubic foot = 1728 cubic inches =1⁄27 of a cubic yard ≈ 0.037037 cu yd =0.028316846592 cubic metres =28.316846592 litres =576⁄77 US fluid gallons =7480512⁄999999 US fl gal ≈ 7.48051948 US fl gal = 73728⁄77 US fluid ounces ≈ 957.50649350 US fl oz ≈ 6.22883546 imperial gallons ≈ 996.61367 imperial fluid ounces ≈ 0.803563913 U.S. bushels ≈ 0.1781076 oil barrels
There is no universally agreed symbol but the following are used:
- cubic feet, cubic foot, cubic ft
- cu ft, cu feet, cu foot
- ft³, feet³, foot³
- feet^3, foot^3, ft^3
- feet/-3, foot/-3, ft/-3 ft
- CCF for 100 cubic feet (C denotes centum, hundred. Used in the billing of natural gas and water delivered to households.)
- MCF for 1,000 cubic feet (M denotes mil, thousand)
- MMCF for 1,000,000 cubic feet
- BCF for a billion cubic feet
- TCF for a trillion cubic feet.
Standard cubic foot
A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes but not always defined as a cubic foot of volume at 60 degrees Fahrenheit and 14.7 pounds per square inch (PSI) of pressure. See standard temperature and pressure.
- 1 E-2 m³ for a comparison with other volumes
- Orders of magnitude (volume)
- Conversion of units
- Cube (arithmetic), cube root
- Square foot
- ↑ 1.0 1.1 The terms billion and trillion as used here refer to the short scale definitions, 109 and 1012 respectively.
- ↑ Used in the oil and gas industry.
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