Convert Nautical Miles to Kilometers
Enter the value in nautical miles to get its exact equivalent in kilometers instantly.
How to convert nautical miles to kilometers?
To convert a measurement in nautical miles (nmi) to kilometers (km), we multiply the value by the conversion factor 1.852.
km = nmi × 1.852
The nautical mile doesn't belong to the metric or imperial system: it's defined as the length of one minute of arc of latitude on the Earth's surface (exactly 1,852 meters), which is why it's used universally in sea and air navigation, regardless of country.
| Nautical miles (nmi) | Kilometers (km) |
|---|---|
| 1.00 | 1.85 |
| 5.00 | 9.26 |
| 10.00 | 18.52 |
| 50.00 | 92.60 |
| 100.00 | 185.20 |
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Frequently Asked Questions
How many kilometers are in 1 nautical mile?
1 nmi equals exactly 1.852 kilometers.
Why is the nautical mile used in aviation and navigation?
Because it's based on the Earth's geometry, it makes it easy to calculate routes and coordinates directly on navigation charts, which isn't the case with the kilometer or the land mile.