Foot (ft)
The foot is a unit of length, used for building construction, human height measurement, and aviation altitude. Its symbol is ft.
ft
m
1 foot equals
| Meters | 0.3048 m |
| Miles | 0.000189394 mi |
| Kilometers | 0.0003048 km |
| Inches | 12 in |
About the foot
The foot has been used since ancient civilizations and was based on the length of a human foot. The international foot was defined as exactly 0.3048 meters in 1959.
In everyday use the foot appears in building construction, human height measurement, and aviation altitude. As a point of reference: commercial aircraft cruise at about 35,000 feet.