Mile

A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. Its size can vary from system to system, but in each is between 1 and 10 kilometers. In contemporary English contexts mile refers to either:

There have been several abbreviations for mile, with and without trailing period: mi, ml, m, M. NIST now uses and recommends "mi", but miles per hour are usually shortened to "mph", "m.p.h." or "MPH" instead of "mi/h".