Table Of Contents
Kilometers to nautical miles Conversion
1 kilometers (km) is equal to 0.5399568035 nautical miles (nmi).
1 km = 0.5399568035 nmi
or
1 nmi = 1.852 km
Formula
To convert a length from kilometers (km) to nautical miles (nmi), divide the length in kilometers by 1.852
l(nmi) = l(km) / 1.852
Examples:
Convert 21 kilometers to nautical miles:
l(nmi) = 21km / 1.852 = 11.33909287 nmi
Conversion table
| Kilometers (km) | Nautical miles (nmi) |
|---|---|
| 1 km | 0.539956803 nmi |
| 2 km | 1.079913607 nmi |
| 3 km | 1.61987041 nmi |
| 5 km | 2.699784017 nmi |
| 10 km | 5.399568035 nmi |
| 15 km | 8.099352052 nmi |
| 20 km | 10.799136069 nmi |
| 21 km | 11.339092873 nmi |
| 25 km | 13.498920086 nmi |
| 42 km | 22.678185745 nmi |
| 50 km | 26.997840173 nmi |
| 100 km | 53.995680346 nmi |
| 250 km | 134.989200864 nmi |
| 500 km | 269.978401728 nmi |
| 1000 km | 539.956803456 nmi |
| 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 |
| 15 nmi | 27.78 km |
| 20 nmi | 37.04 km |
| 21 nmi | 38.892 km |
| 25 nmi | 46.3 km |
| 42 nmi | 77.784 km |
| 50 nmi | 92.6 km |
| 100 nmi | 185.2 km |
| 250 nmi | 463 km |
| 500 nmi | 926 km |
| 1000 nmi | 1852 km |
Frequently asked questions
How do I convert kilometers to nautical miles?
Divide the value in kilometers by 1.852 to get the result in nautical miles. For example, 5 km ÷ 1.852 = 2.699784017 nmi.
How many nautical miles are in 1 kilometers?
1 kilometers (km) is equal to 0.539956803 nautical miles (nmi).
How do I convert nautical miles back to kilometers?
Use the inverse operation: multiply the value in nautical miles by 1.852 to get the result in kilometers.
How accurate is the kilometers to nautical miles conversion?
The converter multiplies by the conversion factor 1.852 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
