Nautical mile - imperial unit of length

The international nautical mile is used for maritime navigation. Even though it is not a SI unit, it is found and used in some laws for maritime travel. The length of a nautical mile came from the length of a degree of latitude and now is agreed upon as exactly 1852 meters. 

The length of a nautical mile is 1852 meters or 1.852 kilometers.  

Conversions involving nautical miles such as conversions from nautical miles to kilometers can be done using this calculator. 


 


 

Nautical mile questions and answers

  • What are nautical miles used for?

    Nautical miles are still used for water or air travel. They are also still in some maritime laws and regulations.

  • What are nautical miles based on?

    One nautical mile is the equivalent of one minute of latitude.

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