Convert Kilometer to Nautical Mile

One km equals 0.5399568035 nmi. This converter allows you to easily convert between Kilometer and Nautical Mile in real time.

Formula

km × 0.5399568035 = nmi

Example: 1 km = 0.5399568035 nmi

What is Kilometer?

The kilometer is equal to 1,000 meters and is the standard unit for expressing distances between cities, road signs, and geographic measurements in most countries. It was introduced as part of the metric system during the French Revolution. A marathon race covers 42.195 kilometers, and most countries outside the United States use kilometers for speed limits and road distances. In scientific contexts, it is used for planetary distances and the sizes of geographic features.

What is Nautical Mile?

The nautical mile is a unit of distance used in maritime and air navigation, defined as exactly 1,852 meters. It was originally based on one minute of arc of latitude along any meridian of the Earth, making it naturally suited for navigation on charts. The knot, a unit of speed equal to one nautical mile per hour, is derived from this unit. Nautical miles are used internationally for charting sea and air routes, and they remain the standard in maritime law and international treaties governing territorial waters.