Distance & Speed Converter

Use this handy utility to convert to and from nautical miles, kilometres and miles.

Enter the figure you wish to convert in the appropriate box and press ‘Calculate’.

Distance / Speed Conversion Calculator

KilometresMilesNautical Miles 

Nautical Units

Nautical Mile

A nautical mile is the internationally used unit of length measurement used by mariners. The international standard definition is that: 1 nautical mile equates to 1,852 metres. This corresponds, approximately, to 1 minute of latitude along any meridian. While there is no standard symbol for a nautical mile the abbreviations nm and nmi are commonly used.


Knots are used to describe the speed of a craft. 1 Knot is equal to 1 nautical mile per hour. There are a number of abbreviation used for this unit including kn, kt and kts.

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