Clear explanation of kilometers vs miles, how to convert between them, and which countries use which system.
One mile equals 1.609 kilometers, and one kilometer equals 0.621 miles. Most of the world uses kilometers; the United States, the United Kingdom (for road signs), and a handful of other countries still use miles.
This guide gives you quick mental conversion tricks, a reference table, and an explanation of why the two systems still coexist.
Understanding both units is essential for international travel, reading maps, and interpreting any distance number you encounter online.