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
=127 of a cubic yard
≈ 0.037037 cu yd
=0.028316846592 cubic metres
=28.316846592 litres
=57677 US fluid gallons
=7480512999999 US fl gal
≈ 7.48051948 US fl gal
= 7372877 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

Symbols Edit

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)
  • MMCFD for millions of cubic feet per day.[1]
  • BCF for a billion cubic feet[2]
  • TCF for a trillion cubic feet.[2][3]

Standard cubic foot Edit

Main article: 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 Edit


  1. Used in the oil and gas industry.
  2. 2.0 2.1 The terms billion and trillion as used here refer to the short scale definitions, 109 and 1012 respectively.
  3. Used in the oil and gas industry.

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