Geographical mile: Difference between revisions
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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 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 [[Germany|German]] '''geograpical mile''' (''Meile'') is 7421.5 meters, see [[historical weights and measures]]. | The [[Germany|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]]. | See [[mile]] for the various other miles in use, and also [[conversion of units]]. | ||
Revision as of 08:24, 14 February 2003
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.