Kilometre - Wikipedia The kilometre (SI symbol: km; ˈkɪləmiːtər or kɪˈlɒmətər ), spelt kilometer in American English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for 1000)
Explaining the Kilometer (km) and Converting to Miles The kilometer (km) is a standard unit of measurement used in the metric system Derived from the French "kilomètre," the unit is used to measure length and distance along a straight path
KILOMETER Definition Meaning - Merriam-Webster A kilometer is equal to about 62 100 of a mile, and a mile is equal to about 1 61 kilometers The U S has been slow to adopt metric measures, which are used almost everywhere else in the world
Kilometre (km) | Britannica metric system, international decimal system of weights and measures, based on the metre for length and the kilogram for mass, that was adopted in France in 1795 and is now used officially in almost all countries