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. This article is about post-1824 imperial units, see also English unit, U.S. customary units or Avoirdupois. ... U.S. customary units, also known in the United States as English units[1] (but see English unit) or standard units, are units of measurement that are currently used in the USA, in some cases alongside units from SI (the International System of Units — the modern metric system). ... The International System of Units (symbol: SI) (for the French phrase Syst me International dUnit s) is the most widely used system of units. ... For other uses, see Volume (disambiguation). ... A cube[1] is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. ... This article is about a foot as a unit of length. ... For other uses of this word, see Length (disambiguation). ...

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

A cubic inch is the volume of a cube which is one inch long on each edge. ... The cubic yard (symbols yd³, cu. ... The cubic meter (symbol m³) is the SI derived unit of volume. ... The litre or liter (see spelling differences) is a unit of volume. ... The gallon (abbreviation: gal) is a unit of volume. ... A fluid ounce is a unit of volume in both the Imperial system of units and the U.S. customary units system. ... A table of weights from the secretaries of the different states, showing the no. ... “bbl” redirects here. ...

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Symbols

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^[1]
• TCF for a trillion cubic feet.^[1][2]

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. A standard cubic foot is a measure of quantity of gas, equal to a cubic foot of volume at 60 degrees Fahrenheit and either 14. ... For other uses, see Fahrenheit (disambiguation). ... A pressure gauge reading in PSI (red scale) and kPa (black scale) The pound-force per square inch (symbol: lbf/in²) is a non-SI unit of pressure based on avoirdupois units. ... This article is about pressure in the physical sciences. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ...

See also

• 1 E-2 m³ for a comparison with other volumes
• Orders of magnitude (volume)
• Conversion of units
• Cube (arithmetic), cube root
• Square foot

To help compare different orders of magnitudes this page lists volumes between 0. ... The pages linked in the right-hand column contain lists of volumes that are of the same order of magnitude (power of ten). ... Conversion of units refers to conversion factors between different units of measurement for the same quantity. ... In arithmetic and algebra, the cube of a number n is its third power — the result of multiplying it by itself two times: n3 = n × n × n. ... Plot of y = In mathematics, the cube root of a number, denoted or x1/3, is the number a such that a3 = x. ... A square foot is by definition the area enclosed by a square with sides each 1 foot long. ...

Notes

1. ^ ^{a b} The terms billion and trillion as used here refer to the short scale definitions, 10⁹ and 10¹² respectively.
2. ^ Used in the oil and gas industry.