Kilometer to Nautical Mile Converter

About this conversion

The kilometer (km) is a unit of length in the metric (SI), commonly used for road and highway distances and geographic measurements. The nautical mile (nmi) belongs to the nautical / aviation and is typically found in measurements related to maritime navigation and aviation route planning. By definition, one kilometer is one thousand meters. One nautical mile is exactly 1,852 meters, corresponding to one minute of arc of latitude. The conversion factor between these two units is 0.5399568034557235: multiplying any value in km by this number gives the equivalent in nmi. For example, 10 km equals 5.3996 nmi. Going the other direction, 1 nmi equals 1.852 km. Adopted alongside the metric system, the kilometer became the standard unit for land distance in most countries by the 20th century.