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# Cubic foot

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 Title: Cubic foot Author: World Heritage Encyclopedia Language: English Subject: Collection: Publisher: World Heritage Encyclopedia Publication Date:

### Cubic foot

The term cubic foot 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 liters or about one 35th (1/35.3147248277) of a cubic meter.

A cubic foot of water weighs 62 pounds.

## Contents

• Conversions 1
• Symbols 2
• Cubic foot per second 3
• Cubic foot per minute 4
• Standard cubic foot 5
• Notes 7

## Conversions

 1 cubic foot = 1728 cubic inches =1⁄27 of a cubic yard ≈ 0.037037037037037 cu yd =0.028316846592 cubic metres =28.316846592 litres =576⁄77 US fluid gallons =1728⁄231 US fl gal ≈ 7.48051948 US fl gal = 73728⁄77 US fluid ounces ≈ 957.50649350 US fl oz ≈ 6.22883546 imperial gallons ≈ 996.61367 imperial fluid ounces ≈ 0.803563913 U.S. bushels ≈ 0.1781076 oil barrel

## Symbols

There is no universally agreed abbreviations but the following are used:

• cubic feet, cubic foot, cubic ft, cu ft, cuft, cu.ft, cb ft, cbft, cb.ft, cbf, cu feet, cu foot, ft3, feet3, foot3, feet/-3, foot/-3, ft/-3  ft
• CCF for 100 cubic feet (C denotes centum, hundred. Also HCF where H stands for hundred. Used in the billing of natural gas and water delivered to households.)
• MCF for 1,000 cubic feet (M denotes mil, thousand)
• MMCF for 1,000,000 cubic feet (28,000 m3)
• MMCFD for millions of cubic feet per day.[1]
• BCF for a billion cubic feet[2]
• TCF for a trillion cubic feet.[1][2]
• TMC for thousand million cubic feet (usually used for referring to storage capacity and actual storage volume of storage dams)

## Cubic foot per second

There is no universally agreed symbol but the following are used:

• ft3/s
• cu ft/s
• cfs
• ft^3/sec
• ft3/sec
• cusec

## Cubic foot per minute

There is no universally agreed symbol but the following are used:

• ft3/min
• CFPM
• CFM

## Standard cubic foot

A standard cubic foot (abbreviated scf) is a measure of quantity of gas, sometimes but not always 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.

## Notes

1. ^ a b Used in the oil and gas industry.
2. ^ a b The terms billion and trillion as used here refer to the short scale definitions, 109 and 1012 respectively.
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