How to convert chains to nautical miles
1 chain is equal to 0.01086220302 nautical miles, and 1 nautical mile (international) is equal to 92.06235584 chains. To convert, multiply by the conversion factor:
nautical miles = chains × 0.01086220302
nautical miles = chains ÷ 92.06235584Example: convert 15 ch to NM: 15 × 0.01086220302 = 0.1629330454 NM.
Chain to Nautical Mile (international) conversion table
| Chain (ch) | Nautical Mile (international) (NM) |
|---|---|
| 0.01 ch | 0.0001086220302 NM |
| 0.1 ch | 0.001086220302 NM |
| 1 ch | 0.01086220302 NM |
| 2 ch | 0.02172440605 NM |
| 3 ch | 0.03258660907 NM |
| 5 ch | 0.05431101512 NM |
| 10 ch | 0.1086220302 NM |
| 20 ch | 0.2172440605 NM |
| 50 ch | 0.5431101512 NM |
| 100 ch | 1.086220302 NM |
| 250 ch | 2.715550756 NM |
| 500 ch | 5.431101512 NM |
| 1,000 ch | 10.86220302 NM |
About the chain
Gunter's chain is 66 feet (20.1168 m), equal to 100 links or 4 rods. A cricket pitch is one chain long, and an acre is 10 square chains.
Symbol: ch · 1 ch = 20.1168 m · Category: Imperial & US customary
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