# Nautical Miles to Kilometers Converter

Use this converter to easily convert between Nautical Miles and Kilometers. Nautical miles are usually denoted by M (capital m), but also NM, nm and nmi by various institutions and circles.

## How many Kilometers equal one Nautical Mile?

Exactly **1.852 kilometers equal one nautical mile**, which could be written as 1.852 km = 1M using the standardized international symbols, or 1.852 km = 1 nm (or nmi) using other commonly employed symbol conventions. This comes from the definition of the meter as a based unit in the metric system, and the definition of the nautical mile which is relative to the meter.

## Difference between Nautical Miles and Kilometers

Both units are used to measure significant distances of comparable magnitude, but while the kilometer is used more universally, the nautical mile is mostly used in marine navigation and sea distance measurement, as well as air navigation in aviation.

Historically, the nautical mile was defined as one minute of latitude, thus equivalent to one sixtieth of a degree. The meter, on the other hand, is a more modern measurement unit and while it has been redefined several times to ensure it stays the same no matter what, it is now defined as the distance light travels in 1/299,792,458 seconds in a vacuum.

## How to convert Nautical Miles to Kilometers

To convert from nautical miles to kilometers, multiply the measurement in M (nm, nmi) by 1.852 to get the equivalent in km. This is done easily using a free online converter such as ours, or your handy old-school calculator or a mobile calculator app.

#### Nautical miles to kilometers conversion example

Sample task: * convert 5 to kilometers*. Solution:

*Formula:*

M * 1.852 = km

*Calculation:*

5 M * 1.8520 = 9.26 km

*End result:*

5 M is equal to 9.26 km

## Nautical miles to km conversion table

M | km |
---|---|

1 M | 1.852000 km |

2 M | 3.704000 km |

3 M | 5.556000 km |

4 M | 7.408000 km |

5 M | 9.26 km |

6 M | 11.112000 km |

7 M | 12.964000 km |

8 M | 14.816000 km |

9 M | 16.668000 km |

10 M | 18.52 km |

20 M | 37.04 km |

30 M | 55.56 km |

40 M | 74.08 km |

50 M | 92.60 km |

60 M | 111.12 km |

70 M | 129.64 km |

80 M | 148.16 km |

90 M | 166.68 km |

100 M | 185.20 km |

200 M | 370.40 km |

300 M | 555.60 km |

400 M | 740.80 km |

500 M | 926 km |

600 M | 1,111.20 km |

700 M | 1,296.40 km |

800 M | 1,481.60 km |

900 M | 1,666.80 km |

1,000 M | 1,852 km |

#### References:

[1] NIST Special Publication 330 (2008) - "The International System of Units (SI)", edited by Barry N.Taylor and Ambler Thompson

[2] International Organization for Standardization (1993). ISO Standards Handbook: Quantities and units (3rd edition). Geneva: ISO. ISBN 92-67-10185-4.

#### Cite this converter & page

If you'd like to cite this online converter resource and information as provided on the page, you can use the following citation:

Georgiev G.Z., *"Nautical miles to Km Converter"*, [online] Available at: https://www.gigacalculator.com/converters/convert-nautical-miles-to-kilometers.php URL [Accessed Date: 12 Jun, 2021].

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