Kilometre | Unit Of Measurement | Britannica

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External Websites kilometre unit of measurement Ask Anything Also known as: kilometer, km Written and fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors History Britannica AI Ask Anything Table of Contents Table of Contents Ask Anything

kilometre (km), unit of length equal to 1,000 metres and the equivalent of 0.6214 mile (see metric system).