Convert nautical mile (UK) to chain (US survey)
Please provide values below to convert nautical mile (UK) [NM (UK)] to chain (US survey) [ch (US)], or Convert chain (US survey) to nautical mile (UK).
How to Convert Nautical Mile (Uk) to Chain (Us Survey)
1 NM (UK) = 92.1210278786984 ch (US)
Example: convert 15 NM (UK) to ch (US):
15 NM (UK) = 15 × 92.1210278786984 ch (US) = 1381.81541818048 ch (US)
Nautical Mile (Uk) to Chain (Us Survey) Conversion Table
| nautical mile (UK) | chain (US survey) |
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Nautical Mile (Uk)
The UK nautical mile, or Admiralty mile, was defined as 6,080 feet.
History/Origin
The British Admiralty defined its nautical mile as a thousandth of an imperial nautical mile. The UK adopted the international nautical mile of 1,852 meters in 1970.
Current Use
The UK nautical mile is an obsolete unit.
Chain (Us Survey)
A U.S. survey chain is a unit of length equal to 66 U.S. survey feet.
History/Origin
The U.S. survey chain 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 chain was used for land surveying in the United States.