Convert Fathom to Nautical Mile
Enter the number of fathoms that you want to convert to nautical miles.
How to Convert Fathoms to Nautical Miles
The fathom and nautical mile are both units of length. 1 nautical mile equals 1012.6859143 fathoms. This means to convert fathoms to nautical miles, you divide by 1012.6859143.
Formula
Step-by-Step Example
Convert 5 fathom to nautical miles:
We need to convert fathoms to nautical miles
Since 1 nmi = 1012.6859143 fathom, divide by 1012.6859143
5 ÷ 1012.6859143 = 0.004937365
5 fathom = 0.004937365 nmi
Fathom to Nautical Mile Conversion Table
Quick reference table for common fathom to nautical mile conversions. Click any value for detailed calculation.
| Fathoms (fathom) | Nautical Miles (nmi) |
|---|---|
| 0.1 fathom | 9.8747300216e-5 nmi |
| 0.5 fathom | 0.0004937365 nmi |
| 1 fathom | 0.000987473 nmi |
| 2 fathom | 0.001974946 nmi |
| 5 fathom | 0.004937365 nmi |
| 10 fathom | 0.00987473 nmi |
| 25 fathom | 0.0246868251 nmi |
| 50 fathom | 0.0493736501 nmi |
| 100 fathom | 0.0987473002 nmi |
About These Units
Fathom (fathom)
A fathom is a nautical unit equal to 6 feet or 1.8288 meters. Fathoms traditionally measure water depth and anchor chain length. The term comes from Old English "fæðm" meaning outstretched arms. Depth soundings were historically reported in fathoms.
Nautical Mile (nmi)
A nautical mile (nmi or NM) is exactly 1,852 meters or 1.151 statute miles. Nautical miles are the standard unit for maritime and aviation navigation, based on one minute of latitude. Ship and aircraft speeds are measured in knots (nautical miles per hour).
Frequently Asked Questions
How do I convert fathoms to nautical miles?
To convert fathoms to nautical miles, divide the value by 1012.6859143. For example, 10 fathom = 0.00987473 nmi.
How many nautical miles are in 1 fathom?
1 fathom equals 0.000987473 nautical miles.
What is the formula for fathoms to nautical miles?
The formula is: nmi = fathom ÷ 1012.6859143.