Is feet imperial or metric measurement?

'Feet/Foot' is an Imperial system .

The approximate same distance metric is 30 cm ( centimetres).

Here is the full table of the Imperial Linear System.

12 inches = 1 foot ( Developed from history as the average length a foot)

3 feet = 1 yard (Thought to be the average stride of a human being).

22 yards = 1 chain ( The length of a cricket pitch between creases).

10 chains = 1 furlong ( furrows length; mediaeval ploughing).

8 furlongs = 1 mile.