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feet

 
Britannica Concise Encyclopedia:

foot

Home > Library > Miscellaneous > Britannica Concise Encyclopedia

In measurement, any of numerous lineal measures (commonly 9.8 – 13.4 in. [25 – 34 cm]) based on the length of the human foot. It is used exclusively in English-speaking countries. In most countries and in all scientific applications, the foot (with its multiples and subdivisions) has been superseded by the metre. In the U.S. the definition of the foot as exactly 30.48 cm took effect in 1959. See also inch; International System of Units; yard.

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Unit Conversions:

feet

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Home > Library > Science > Unit Conversions

To convert from feet to:

centimeters, multiply by 30.48.
kilometers, multiply by .0003048.
meters, multiply by .3048.
miles (naut.), multiply by .0001645.
miles (stat.), multiply by .0001894.
millimeters, multiply by 304.8.
mils, multiply by 12000.

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Related measurements:
feet of water
drams (US fluid or apoth.)
feet/min
feet/sec
feet/sec/sec
feet/100 feet
foot/candle
foot-pounds
foot-pounds/min
foot-pounds/sec


 
 

 

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Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 1994-2012 Encyclopædia Britannica, Inc. All rights reserved.  Read more
Answers Corporation Unit Conversions. © 1999-present by Answers Corporation. All rights reserved.  Read more

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