How to convert nautical miles to chains (US survey)
1 nautical mile (international) is equal to 92.06217172 chains (US survey), and 1 chain (us survey) is equal to 0.01086222475 nautical miles. To convert, multiply by the conversion factor:
chains (US survey) = nautical miles × 92.06217172
chains (US survey) = nautical miles ÷ 0.01086222475Example: convert 15 NM to ch (US): 15 × 92.06217172 = 1,380.932576 ch (US).
Nautical Mile (international) to Chain (US Survey) conversion table
| Nautical Mile (international) (NM) | Chain (US Survey) (ch (US)) |
|---|---|
| 0.01 NM | 0.9206217172 ch (US) |
| 0.1 NM | 9.206217172 ch (US) |
| 1 NM | 92.06217172 ch (US) |
| 2 NM | 184.1243434 ch (US) |
| 3 NM | 276.1865152 ch (US) |
| 5 NM | 460.3108586 ch (US) |
| 10 NM | 920.6217172 ch (US) |
| 20 NM | 1,841.243434 ch (US) |
| 50 NM | 4,603.108586 ch (US) |
| 100 NM | 9,206.217172 ch (US) |
| 250 NM | 23,015.54293 ch (US) |
| 500 NM | 46,031.08586 ch (US) |
| 1,000 NM | 92,062.17172 ch (US) |
About the nautical mile (international)
The international nautical mile is exactly 1,852 m, close to one minute of latitude. It's used in aviation, shipping and for territorial waters, and one knot is one nautical mile per hour.
Symbol: NM · 1 NM = 1,852 m · Category: Nautical
About the chain (us survey)
The US survey chain is 66 US survey feet, about 20.11684 m, used in the US Public Land Survey System.
Symbol: ch (US) · 1 ch (US) = 20.11684023 m · Category: US survey units