Convert nautical miles to kilometers
1 nmi = 1.852 km. Change the amount below, or read the formula and the reference table further down.
1 nautical mile equals
kilometers
1 nmi = 1.852 km
The formula
Nautical miles and kilometers both measure length from the same zero, so a single multiplier does the job.
km = nmi × 1.852
Going the other way? Convert kilometers to nautical miles.
Nautical miles to kilometers table
Common values, rounded for reading.
| Nautical miles (nmi) | Kilometers (km) |
|---|---|
| 1 | 1.852 |
| 2 | 3.704 |
| 3 | 5.556 |
| 4 | 7.408 |
| 5 | 9.26 |
| 6 | 11.112 |
| 7 | 12.964 |
| 8 | 14.816 |
| 9 | 16.668 |
| 10 | 18.52 |
| 15 | 27.78 |
| 20 | 37.04 |
| 25 | 46.3 |
| 30 | 55.56 |
| 40 | 74.08 |
| 50 | 92.6 |
| 75 | 138.9 |
| 100 | 185.2 |
| 250 | 463 |
| 500 | 926 |
| 1,000 | 1,852 |
Questions people ask
- How many kilometers are in a nautical mile?
- One nautical mile equals 1.852 kilometers.
- How do I convert nautical miles to kilometers by hand?
- Multiply the number of nautical miles by 1.852. For a rough check, 1.9 is close enough for most everyday use.
- What is 1 nautical mile in kilometers?
- 1 nautical mile is 1.852 kilometers.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.