cubic foot | |
---|---|
Unit system | Imperial and US Customary |
Unit of | Volume |
Symbol | ft3, cu ft |
Conversions | |
1 ft3 in ... | ... is equal to ... |
US Customary | 1728 in3 1⁄27 yd3 |
SI units | 0.02831685 m3 |
The cubic foot (symbol ft3 or cu ft)[1] 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).
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.[1] 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.[citation needed]
Larger multiples are in common usage in commerce and industry in the United States:
Main article: Standard cubic foot |
See also: 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.[citation needed]