Convert millimeters to nautical miles
1 mm = 5.3996 × 10^-7 nmi. Change the amount below, or read the formula and the reference table further down.
1 millimeter equals
nautical miles
1 mm = 5.3996 × 10^-7 nmi
The formula
Millimeters and nautical miles both measure length from the same zero, so a single multiplier does the job.
nmi = mm × 5.3996 × 10^-7
Going the other way? Convert nautical miles to millimeters.
Millimeters to nautical miles table
Common values, rounded for reading.
| Millimeters (mm) | Nautical miles (nmi) |
|---|---|
| 1 | 5.3996 × 10^-7 |
| 2 | 0.000001 |
| 3 | 0.000002 |
| 4 | 0.000002 |
| 5 | 0.000003 |
| 6 | 0.000003 |
| 7 | 0.000004 |
| 8 | 0.000004 |
| 9 | 0.000005 |
| 10 | 0.000005 |
| 15 | 0.000008 |
| 20 | 0.000011 |
| 25 | 0.000013 |
| 30 | 0.000016 |
| 40 | 0.000022 |
| 50 | 0.000027 |
| 75 | 0.00004 |
| 100 | 0.000054 |
| 250 | 0.000135 |
| 500 | 0.00027 |
| 1,000 | 0.00054 |
Questions people ask
- How many nautical miles are in a millimeter?
- One millimeter equals 5.3996 × 10^-7 nautical miles.
- How do I convert millimeters to nautical miles by hand?
- Multiply the number of millimeters by 5.3996 × 10^-7. For a rough check, 5.3996 × 10^-7 is close enough for most everyday use.
- What is 1 millimeter in nautical miles?
- 1 millimeter is 5.3996 × 10^-7 nautical miles.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.