Convert Kilometers (km) to Nautical Miles (nmi)

Enter a value below to convert Kilometers (km) to Nautical Miles (nmi).

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Conversion:

1 Kilometers (km) = 0.53995680346 Nautical Miles (nmi)

How to Convert Kilometers (km) to Nautical Miles (nmi)

1 km = 0.53995680346 nmi

1 nmi = 1.852 km

Example: convert 15 Kilometers (km) to Nautical Miles (nmi):

25 km = 13.498920086 nmi

Kilometers (km) to Nautical Miles (nmi) Conversion Table

Kilometers (km)Nautical Miles (nmi)
0.01 km0.0053995680346 nmi
0.1 km0.053995680346 nmi
1 km0.53995680346 nmi
2 km1.0799136069 nmi
3 km1.6198704104 nmi
5 km2.6997840173 nmi
10 km5.3995680346 nmi
20 km10.799136069 nmi
50 km26.997840173 nmi
100 km53.995680346 nmi
1000 km539.95680346 nmi

Kilometers (km)

Definition

A kilometer (km) is a metric unit of length equal to 1,000 meters. It is the standard unit for expressing long distances in the metric system.

History

The kilometer was adopted as part of the metric system in 1795. It became the standard long-distance unit across most of the world, though the United States, United Kingdom, and a few other countries still primarily use miles.

Current use

Kilometers are used worldwide for road distances, geographic measurements, running and cycling events, vehicle odometers (in metric countries), and aviation altitude in some regions.

Nautical Miles (nmi)

Definition

A nautical mile (nmi) is a unit of length equal to exactly 1,852 meters (approximately 1.15078 statute miles). It corresponds to one minute of latitude along any meridian.

History

The nautical mile originated from maritime navigation, where it was practical to link distance to the Earth's geometry. It was internationally standardized to 1,852 meters in 1929 at the First International Extraordinary Hydrographic Conference.

Current use

Nautical miles are the standard distance unit in maritime and aviation navigation worldwide. Air traffic control, shipping routes, and territorial water boundaries are all measured in nautical miles.