Convert foot (US survey) to nautical mile (international)
Please provide values below to convert foot (US survey) [ft (US)] to nautical mile (international) [NM], or Convert nautical mile (international) to foot (US survey).
How to Convert Foot (Us Survey) to Nautical Mile (International)
1 ft (US) = 0.000164579162850972 NM
Example: convert 15 ft (US) to NM:
15 ft (US) = 15 × 0.000164579162850972 NM = 0.00246868744276458 NM
Foot (Us Survey) to Nautical Mile (International) Conversion Table
| foot (US survey) | nautical mile (international) |
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Foot (Us Survey)
The U.S. survey foot was a unit of length defined as exactly 1200/3937 meters.
History/Origin
The U.S. survey foot was used for land surveying in the United States for most of the 20th century. Its use was officially phased out in 2022 to standardize with the international foot.
Current Use
The U.S. survey foot is now an obsolete unit.
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.