Imperial Nautical Measure

 

Unit		Equals		Equals
6	feet	1	fathom	1.829	metres
100	fathoms	1	cable’s length	182.9	metres
*608	feet	1	cable’s length	185.319	metres
10	cable’s length	1	nautical mile	1.852	kilometres
**1	nautical mile	1.150779	miles
60	nautical mile	1 degree of a great circle of the earth
* Royal Navy measurement
** the length of a minute of latitude at the equator
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