Convert Kilometer (km) to Nautical Mile (nmi) instantly. Enter any value — result updates live.
Converting Kilometer to Nautical Mile is a common length conversion. One kilometer (km) equals 0.539956803 nautical mile (nmi). Kilometers are used for road distances in most countries outside the United States.
This conversion is commonly needed for textile and fabric cutting, travel planning and navigation, construction and home improvement. Nautical miles are used in aviation and maritime navigation because they relate directly to Earth's coordinates.
To put kilometer in perspective: the distance from New York to Los Angeles (3,944 km). In nautical mile, common references include the range of a coast guard patrol (200 nmi exclusive economic zone).
The word 'kilometer' comes from the Greek 'khilioi' (thousand) and 'metron' (measure).
A nautical mile is based on the circumference of the Earth — it equals one minute of arc of latitude.
People frequently convert between kilometer and nautical mile for:
| Kilometer (km) | Nautical Mile (nmi) |
|---|---|
| 1 km | 0.539956803 nmi |
| 2 km | 1.07991 nmi |
| 5 km | 2.69978 nmi |
| 10 km | 5.39957 nmi |
| 15 km | 8.09935 nmi |
| 20 km | 10.7991 nmi |
| 25 km | 13.4989 nmi |
| 30 km | 16.1987 nmi |
| 50 km | 26.9978 nmi |
| 100 km | 53.9957 nmi |
| 200 km | 108 nmi |
| 500 km | 270 nmi |
| 1000 km | 540 nmi |