Length and Area
fttonmi
Convert feet (ft) to nautical miles (nmi).
Factor1 ft = 0.0001645788 nmi
Converter
ft
Accepts numbers or expressions, e.g. 150 + 14.7
Result
nmi
Rendered to 6 significant figures.
Formula
Formula
nmi = ft × 0.0001645788
Multiply any value in feet by 0.0001645788 to obtain the value in nautical miles.
Worked example
Convert 6076.11 ft to nmi.
- 01Start with 6076.11 ft.
- 02Multiply by the conversion factor: 6076.11 × 0.0001645788 = 1 nmi.
Result6076.11 ft = 1 nmi
Conversion table
| ft | nmi |
|---|---|
| 1 | 0.00016458 |
| 2 | 0.00032916 |
| 5 | 0.00082289 |
| 10 | 0.0016458 |
| 20 | 0.0032916 |
| 50 | 0.0082289 |
| 100 | 0.016458 |
| 200 | 0.032916 |
| 500 | 0.082289 |
| 1000 | 0.16458 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ft to nmi?
1 ft equals 0.0001645788 nmi. To convert, multiply the value in feet by 0.0001645788.
How do I convert 1 ft to nmi?
1 ft = 0.000164579 nmi. For any value, multiply by 0.0001645788.
How do I convert nmi back to ft?
Divide by the same factor — or equivalently, multiply by 6076.115. So 1 nmi = 6076.12 ft.
When would I need to convert foot to nautical mile?
Length conversions appear in piping, layout, and mechanical drawings — particularly when reconciling imperial fittings or instrument lengths with metric plant drawings.
Is the conversion exact?
Yes. Both ft and nmi are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).