How to convert fathoms to nautical miles
1 fathom is equal to 0.0009874730022 nautical miles, and 1 nautical mile (international) is equal to 1,012.685914 fathoms. To convert, multiply by the conversion factor:
nautical miles = fathoms × 0.0009874730022
nautical miles = fathoms ÷ 1,012.685914Example: convert 15 ftm to NM: 15 × 0.0009874730022 = 0.01481209503 NM.
Fathom to Nautical Mile (international) conversion table
| Fathom (ftm) | Nautical Mile (international) (NM) |
|---|---|
| 0.01 ftm | 0.000009874730022 NM |
| 0.1 ftm | 0.00009874730022 NM |
| 1 ftm | 0.0009874730022 NM |
| 2 ftm | 0.001974946004 NM |
| 3 ftm | 0.002962419006 NM |
| 5 ftm | 0.004937365011 NM |
| 10 ftm | 0.009874730022 NM |
| 20 ftm | 0.01974946004 NM |
| 50 ftm | 0.04937365011 NM |
| 100 ftm | 0.09874730022 NM |
| 250 ftm | 0.2468682505 NM |
| 500 ftm | 0.4937365011 NM |
| 1,000 ftm | 0.9874730022 NM |
About the fathom
The fathom is 6 feet (1.8288 m). It's used to measure the depth of water on nautical charts and fishing lines.
Symbol: ftm · 1 ftm = 1.8288 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