Cubic foot
The cubic foot is an imperial and US customary 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 in length, or exactly .
Conversions
Symbols and abbreviations
The Institute of [Electrical and Electronics Engineers|IEEE] symbol for the cubic foot is ft3. The following abbreviations are used: cubicfeet, cubicfoot, cubicft, cufeet, cufoot, cuft, cu.ft, cuft, cbft, cb.ft, cbft, cbf, feet, foot, ft, feet/-3, foot/-3, ft/-3.Larger multiples are in common usage in commerce and industry in the United States:
- CCF or HCF: Centum cubic feet; i.e.,
- * Used in the billing of natural gas and water supply delivered to households.
- MCF: Mille cubic feet; i.e.,
- MMCF: Mille mille cubic feet; i.e.,
- MMCFD: MMCF per day; i.e.,
- * Used in the oil and gas industry.
- BCF or TMC: Billion or thousand million cubic feet; i.e.,
- * TMC is usually used for referring to storage capacity and actual storage volume of storage dams.
- TCF: Trillion cubic feet; i.e.,
- * Used in the oil and gas industry.
Cubic foot per second and related flow rates
- ft3/sec
- cu ft/s
- cfs or CFS
- cusec
- second-feet
Cusec is a unit of flow rate, used mostly in the United States in the context of water flow, particularly of rivers and canals.
Conversions: 1 ft3/s = = = =
Cubic foot per minute
The IEEE symbol for the cubic foot per minute is ft3/min. The following abbreviations are used:- cu ft/min
- cfm or CFM
- cfpm or CFPM