Kilometre: A kilometre

A kilometre, often abbreviated as km, is a standard unit of length in the metric system used to measure long distances. According to the CBSE/NCERT curriculum, one kilometre is defined as being equal to exactly 1,000 metres. KILOMETRE definition: 1. a unit of measurement equal to 1,000 metres 2. a unit of measurement of length equal to 1000…. Learn more. One thousand metres, equal to 0.621371 miles Symbol: km.... Click for English pronunciations, examples sentences, video. The kilometre is a common unit used for longer distances on Earth. The international unit for measuring distances is the metre and a kilometre is 1000 metres. It is used in most countries for measuring road and sea distances. In the UK and the USA, the statute mile is used more than kilometres for road distances and the nautical mile for sea distances. It is often used to measure the speed of cars, planes and boats by saying how many kilometres it can travel in an hour. This is shown as km/h ...