|Unit system||Imperial and US Customary|
|Symbol||ft3 or cu ft|
|1 ft3 in ...||... is equal to ...|
|US Customary|| 1728 in3|
|SI units||0.02831685 m3|
The cubic foot (symbol ft3 or cu ft) is an imperial and US customary (non-metric) unit of volume, used in the United States 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 L (about 1⁄35 of a cubic metre).
At 60 °F (16 °C), a cubic foot of water weighs 62.37 pounds (28.29 kg).
|1 cubic foot||= 1728 cubic inches|
|= 1⁄27 of a cubic yard|
|≈ 0.037037 yd3|
|= 0.028316846592 m3|
|= 28.316846592 L|
|= 576⁄77 US fluid gallons|
|≈ 7.4805 US fl gal|
|= 73728⁄77 US fluid ounces|
|≈ 957.5065 US fl oz|
|≈ 6.2288 imperial gallons|
|≈ 996.61 imperial fluid ounces|
|≈ 0.80356 US bushels|
|≈ 0.17811 oil barrel|
The IEEE symbol for the cubic foot is ft3. The following abbreviations are used: cubic feet, cubic foot, cubic ft, cu feet, cu foot, cu ft, cu.ft, cuft, cb ft, cb.ft, cbft, cbf, feet3, foot3, ft3, feet/-3, foot/-3, ft/-3.
Larger multiples are in common usage in commerce and industry in the United States:
Main articles: Standard cubic foot and Standard cubic foot per minute
A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes[clarification needed] 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.