The foot is a unit of length in the Imperial System of Units.
The abbreviation for foot (or feet) is “ft”.
Sometimes the symbol ’ is used for the abbreviation “ft”
Example: 5 ft = 5’
A distance of one foot is approximately the length of a persons foot.
1 foot = 30.48 centimetres
1 foot = 12 inches
1 yard = 3 feet
1 mile = 5280 feet