Nautical miles to Kilometers
Type a value in nmi and get km instantly: 1 nmi = 1.852 km
1 nmi = 1.852 km
⇄ Kilometer → Nautical mileThe conversion between nautical miles (nmi) and kilometers (km) is fixed: 1 nmi = 1.852 km and 1 km = 0.54 nmi. To convert nmi to km, multiply by 1.852; to go the other way, multiply by 0.54 (or divide by 1.852). For example, 12 nmi = 22.224 km and 200 nmi = 370.4 km.
Enter any value in the converter above; the result updates as you type. You will also find a ready-made table for common values, the formula, and a link to the reverse conversion (kilometers to nautical miles).
The international nautical mile is exactly 1,852 m, based on one minute of latitude, which is why ships and aircraft use it. Territorial waters extend 12 nmi (22.2 km) and an exclusive economic zone 200 nmi (370.4 km).
Quick answers
Nautical miles to Kilometers conversion table
| Nautical miles (nmi) | Kilometers (km) |
|---|---|
| 1 nmi | 1.852 km |
| 2 nmi | 3.704 km |
| 3 nmi | 5.556 km |
| 5 nmi | 9.26 km |
| 10 nmi | 18.52 km |
| 12 nmi | 22.224 km |
| 15 nmi | 27.78 km |
| 20 nmi | 37.04 km |
| 24 nmi | 44.448 km |
| 25 nmi | 46.3 km |
| 50 nmi | 92.6 km |
| 100 nmi | 185.2 km |
| 150 nmi | 277.8 km |
| 200 nmi | 370.4 km |
| 250 nmi | 463 km |
| 500 nmi | 926 km |
| 1,000 nmi | 1,852 km |
| 3,000 nmi | 5,556 km |
Kilometers to Nautical miles quick table
| Kilometers (km) | Nautical miles (nmi) |
|---|---|
| 1 km | 0.54 nmi |
| 2 km | 1.0799 nmi |
| 10 km | 5.3996 nmi |
| 20 km | 10.799 nmi |
| 50 km | 26.998 nmi |
| 100 km | 53.996 nmi |
| 200 km | 107.99 nmi |
| 300 km | 161.99 nmi |
| 500 km | 269.98 nmi |
| 1,000 km | 539.96 nmi |
Frequently Asked Questions
How many kilometers are in 1 Nautical mile?
1 nmi = 1.852 km. Multiply a value in nmi by 1.852 to get km.
How do I convert kilometers to nautical miles?
Multiply the value in km by 0.54, or divide it by 1.852. For example, 22.224 km ≈ 12 nmi.
What is 200 nmi in km?
200 nmi = 370.4 km.
Is the factor 1.852 exact?
Both units have exact international definitions, so the factor is fixed; only the displayed value is rounded.