Convert nautical mile (international) to furlong (US survey)
Please provide values below to convert nautical mile (international) [NM] to furlong (US survey) [fur (US)], or Convert furlong (US survey) to nautical mile (international).
How to Convert Nautical Mile (International) to Furlong (Us Survey)
1 NM = 9.20621717171739 fur (US)
Example: convert 15 NM to fur (US):
15 NM = 15 × 9.20621717171739 fur (US) = 138.093257575761 fur (US)
Nautical Mile (International) to Furlong (Us Survey) Conversion Table
| nautical mile (international) | furlong (US survey) |
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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.
Furlong (Us Survey)
A U.S. survey furlong is a unit of length equal to one-eighth of a U.S. survey mile.
History/Origin
The U.S. survey furlong is based on the U.S. survey foot, which was slightly different from the international foot. The use of survey units was officially phased out in 2022.
Current Use
The U.S. survey furlong was used in land surveying in the United States.