Foot (unit)

foot
Unit system	imperial/US units
Unit of	length
Symbol	ft
Conversions
1 ft in ...	... is equal to ...
imperial/US units	${\displaystyle {\bar {3}}}$ yd  12 in
metric (SI) units	0.3048 m

The foot is a unit for measuring length. It is one of the Imperial units and US customary units. The shortest way of writing the unit "foot" is by the abbreviation "ft" (or "ft."), or by a prime symbol ( ′ ).

One foot contains 12 inches. This is equal to 30.48 centimeters. It is called a foot, because it was originally based on the length of a foot.