Convert kilometer to nautical mile (international)
Please provide values below to convert kilometer [km] to nautical mile (international) [NM], or Convert nautical mile (international) to kilometer.
How to Convert Kilometer to Nautical Mile (International)
1 km = 0.539956803455723 NM
Example: convert 15 km to NM:
15 km = 15 × 0.539956803455723 NM = 8.09935205183585 NM
Kilometer to Nautical Mile (International) Conversion Table
| kilometer | nautical mile (international) |
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Kilometer
A kilometer is a unit of length in the metric system, equal to one thousand meters.
History/Origin
The term "kilometer" is derived from the Greek words "khilioi" (thousand) and "metron" (measure). The kilometer was first defined as part of the metric system in France in 1795.
Current Use
The kilometer is the most widely used unit of distance for road signs and travel distances in the world, with the notable exceptions of the United States and the United Kingdom.
Nautical Mile (International)
The international nautical mile is a unit of length used in marine and air navigation, defined as exactly 1,852 meters.
History/Origin
Historically, a nautical mile was defined as one minute of arc of latitude. The international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco in 1929. The United States adopted it in 1954, and the United Kingdom in 1970.
Current Use
The nautical mile is used for maritime and aviation purposes worldwide.