Convert span (cloth) to nautical mile (international)
Please provide values below to convert span (cloth) [span] to nautical mile (international) [NM], or Convert nautical mile (international) to span (cloth).
How to Convert Span (Cloth) to Nautical Mile (International)
1 span = 0.000123434125269978 NM
Example: convert 15 span to NM:
15 span = 15 × 0.000123434125269978 NM = 0.00185151187904968 NM
Span (Cloth) to Nautical Mile (International) Conversion Table
| span (cloth) | nautical mile (international) |
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Span (Cloth)
A span is an obsolete unit of length, typically about 9 inches, based on the distance between the tip of the thumb and the tip of the little finger when the hand is fully extended.
History/Origin
The span has been used as a unit of measurement for thousands of years in many different cultures.
Current Use
The span is no longer a standard unit of measurement.
Nautical Mile (International)
The international nautical mile is a unit of length used in marine and air navigation, defined as exactly 1,852 meters.
History/Origin
Historically, a nautical mile was defined as one minute of arc of latitude. The international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco in 1929. The United States adopted it in 1954, and the United Kingdom in 1970.
Current Use
The nautical mile is used for maritime and aviation purposes worldwide.