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Geographical mile

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The geographical mile is a unit of length determined by 1 minute of arc along the Earth's equator, approximately equal to 1855 metres (6087.15 international feet).

The unit is not used much; it is closely related to the nautical mile, which was originally determined as 1 minute of arc along a great circle of the Earth and is nowadays defined to be exactly 1852 metres (6076.1 feet).

The German geograpical mile (Meile) is 4 minutes of arc, and was defined as 7421.5 meters, see historical weights and measures.

See mile for the various other miles in use, and also conversion of units.

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