Cubic foot

The IEEE symbol for the cubic foot is ft³.{{r|IEEE}} The following abbreviations are used: cubic{{nbsp}}feet, cubic{{nbsp}}foot, cubic{{nbsp}}ft, cu{{nbsp}}feet, cu{{nbsp}}foot, cu{{nbsp}}ft, cu.ft, cuft, cb{{nbsp}}ft, cb.ft, cbft, cbf, feet{{sup|3}}, foot{{sup|3}}, ft{{sup|3}}, feet/-3, foot/-3, ft/-3.{{citation needed|date=February 2020}}

Larger multiples are in common usage in commerce and industry in the United States:

• CCF or HCF: Centum (Latin hundred) cubic feet; i.e., {{cvt|100|cuft|1}}
• Used in the billing of natural gas and water delivered to households.
• MCF: Mille (Latin thousand) cubic feet; i.e., {{cvt|1000|cuft|1}}
• MMCF: Mille mille (= million) cubic feet; i.e., {{cvt|1000000|cuft|-1}}
• MMCFD: MMCF per day; i.e., {{val|1000000|u=ft{{sup|3}}}}/d
• Used in the oil and gas industry.
• BCF or TMC: Billion or thousand million cubic feet; i.e., {{cvt|1000000000|cuft|-4}}
• TMC is usually used for referring to storage capacity and actual storage volume of storage dams.
• TCF: Trillion cubic feet; i.e., {{val|1000000000000|u=ft{{sup|3}}}}
• Used in the oil and gas industry.

The IEEE symbol for the cubic foot per second is ft³/s.{{r|IEEE}} The following other abbreviations are also sometimes used:

• ft³/sec
• cu ft/s
• cfs or CFS
• cusec
• second-feet

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.

Cusec is a unit of flow rate,{{cite web |title=Units: C |work=How Many? A Dictionary of Units of Measurement |first=Russ |last=Rowlett |publisher=University of North Carolina at Chapel Hill |url= http://www.unc.edu/~rowlett/units/dictC.html |url-status=dead |archive-url= https://web.archive.org/web/20180109055857/http://www.unc.edu/~rowlett/units/dictC.html |archive-date=January 9, 2018 |access-date=August 2, 2020}} used mostly in the United States in the context of water flow, particularly of rivers and canals.

Conversions: 1 ft³s⁻¹ = {{cvt|1.000000|ft3/s|m3/s|disp=out}} = {{cvt|1.000000|ft3/s|L/s|disp=out}} = {{cvt|1.000000|ft3/s|m3/min|disp=out}} = {{cvt|1.000000|ft3/s|L/min|disp=out}}

The IEEE symbol for the cubic foot per minute is ft³/min.{{r|IEEE}} The following abbreviations are used:

• cu ft/min
• {{notatypo|cufm}}
• cfm or CFM
• cfpm or CFPM

Cubic feet per minute is used to measure the amount of air that is being delivered, and is a common metric used for carburetors,{{Cite web |url=https://help.summitracing.com/app/answers/detail/a_id/4767/~/carburetor-cfm-rating |title=Carburetor CFM Racing |work=Summit Racing |author= |access-date=February 7, 2019 |archive-date=April 27, 2021 |archive-url=https://web.archive.org/web/20210427053908/https://help.summitracing.com/app/answers/detail/a_id/4767/~/carburetor-cfm-rating |url-status=dead }} pneumatic tools, and air-compressor systems.{{Cite news |url= https://www.vmacair.com/blog/easy-guide-to-rotary-screw-air-compressors-for-trucks-vans/|title=Easy Guide to Rotary Screw Air Compressors for Vehicles |date=October 16, 2018 |work=VMACAir.com |access-date=October 30, 2018}}

{{Main|Standard cubic foot}}

{{See also|Standard cubic foot per minute}}

A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes{{clarify|date=January 2015}} defined in terms of standard temperature and pressure as a cubic foot of volume at {{convert|60|F|C K|lk=in}} and {{convert|14.7|psi|bar kPa|lk=on}} of pressure.{{citation needed|date=January 2015}}

{{Div col}}

• Board foot
• Conversion of units
• Cord (unit)
• Cube (arithmetic), cube root
• Cubic inch
• Cubic yard
• Orders of magnitude (volume) for a comparison with other volumes
• Orders of magnitude (one cubic millimetre to one cubic metre)
• Square foot
• Therm, a unit of natural gas approximately equal to 100 cubic feet
• Cubic metre per second

{{div col end}}

{{Reflist}}

{{Imperial units}}

{{United States Customary Units}}

{{Authority control}}

{{DEFAULTSORT:Cubic Foot}}

Category:Units of volume

Category:Imperial units

Category:Customary units of measurement in the United States

Category:Units of flow

Category:Physical quantities

ja:フィート#立方フィート