Cubic foot

The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States, and partially in Canada, and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length. Its volume is 28.3168 liters or about 135 of a cubic meter.

A cubic foot of water weighs 62 pounds (28 kg).


1 cubic foot  = 1728 cubic inches
=127 of a cubic yard
0.037037037037037 cu yd
= 0.028316846592 cubic meters
= 28.316846592 liters
= 57677 US fluid gallons
= 1728231 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 US bushels
0.1781076 oil barrel


There are no universally agreed abbreviations, but the following are used:

Cubic foot per second

There is no universally agreed symbol but the following are used.

Cubic foot per minute

There is no universally agreed symbol but the following are used.

Standard cubic foot

Main article: Standard cubic foot

A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes but not always defined in terms of standard temperature and pressure as a cubic foot of volume at 60 degrees Fahrenheit (15.56 °C; 288.71 K) and 14.7 pounds per square inch (PSI) (1.01 bar; 101.35 kPa) of pressure.

See also


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