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

This article is about the unit of measurement, for articles pertaining to oddly shaped distal ends of lower extremeties please click the back button on your browser.

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 (28,000 m³)
• 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.

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

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.