It is defined as the volume of a cube with sides of one foot (0.3048 m) in length.

[citation needed] Larger multiples are in common usage in commerce and industry in the United States: The IEEE symbol for the cubic foot per second is ft3/s.

[1] The following other abbreviations are also sometimes used: The flow or discharge of rivers, i.e., the volume of water passing a location per unit of time, is commonly expressed in units of cubic feet per second or cubic metres per second.

[1] The following abbreviations are used: Cubic feet per minute is used to measure the amount of air that is being delivered, and is a common metric used for carburetors,[3] pneumatic tools, and air-compressor systems.

[4] 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 °F (16 °C; 289 K) and 14.7 pounds per square inch (1.01 bar; 101 kPa) of pressure.