1kilometer
A kilometer, abbreviated km, is a unit of length in the metric system equal to 1,000 meters. The prefix kilo- denotes a factor of 1,000, so the kilometer is commonly used to express distances on land, travel routes, and in many scientific and everyday contexts.
Origin and definition: The metric system was developed in France in the 18th century. The kilometer, formed
Common uses: Distances between cities or along roads are typically given in kilometers. Road speeds are described
Conversions: 1 km = 1,000 m; approximately 0.621371 miles; 1 mile = 1.609344 km; 1 km ≈ 3,280.84 feet;