Kilometers to Nautical Miles Converter
Convert km to nautical miles.
Result
0
Nautical Miles
1 Kilometers = 0.539957 Nautical Miles
How to convert Kilometers to Nautical Miles?
The nautical mile is commonly used in sea and air navigation. The relationship is:
- 1 Kilometer ≈ 0.539957 Nautical Miles
- 1 Nautical Mile = 1.852 Kilometers
To convert Kilometers to Nautical Miles, multiply the value by 0.539957 (or divide by 1.852).
Formula: Nautical Miles = Kilometers × 0.539957
Step-by-Step Calculation
- Take the number of Kilometers you want to convert (e.g., 100).
- Multiply that value by 0.539957.
- The result is the value in Nautical Miles. (Example: 100 × 0.539957 = 53.9957 Nautical Miles).
How to use this converter?
Enter kilometers and instantly get nautical miles—useful for flight planning, sea routes, and marine charts.
Common Kilometers to Nautical Miles Conversions
Quick reference guide for common distances.
1 km = 0.539957 NM
10 km = 5.39957 NM
50 km = 26.9979 NM
100 km = 53.9957 NM
185.2 km = 100 NM
500 km = 269.979 NM
1000 km = 539.957 NM
2 km = 1.07991 NM
5 km = 2.69979 NM
20 km = 10.7991 NM
History: Why use nautical miles?
Nautical miles are widely used because they connect neatly with Earth’s coordinate system and help simplify navigation calculations.
Common Kilometers to Nautical Miles Conversions
| Kilometers Input | Nautical Miles Result |
|---|---|
| 1 km | 0.539957 NM |
| 2 km | 1.07991 NM |
| 5 km | 2.69979 NM |
| 10 km | 5.39957 NM |
| 20 km | 10.7991 NM |
| 50 km | 26.9979 NM |
| 100 km | 53.9957 NM |
| 185.2 km | 100 NM |
| 500 km | 269.979 NM |
| 1000 km | 539.957 NM |
Frequently Asked Questions
How do I convert kilometers to nautical miles?
Multiply kilometers by 0.539957 (or divide by 1.852) to get nautical miles.
How many nautical miles is 100 km?
100 km equals 53.9957 nautical miles.
How many kilometers are in 1 nautical mile?
1 nautical mile equals 1.852 kilometers.
Is the conversion exact?
1 nautical mile equals exactly 1.852 km, so conversions are highly accurate.
Why do pilots use nautical miles?
Because aviation navigation commonly uses nautical miles and knots (nautical miles per hour).