Kilometres to Nautical miles Converter
Convert kilometre to nautical mile instantly. Type a value below — the result updates as you type.
When you need to convert kilometre to nautical mile
Length conversions come up constantly in DIY, travel and online shopping — sizing furniture, reading a height in a different system, or checking a screen or fabric measurement listed in unfamiliar units.
Typical values: 0.5 km is about 0.27 nmi, and 100 km works out to roughly 53.9957 nmi. Because the ratio is fixed at 0.54, you can scale any amount linearly — doubling the kilometres doubles the nautical miles.
Metric and imperial length units coexist worldwide, so the same object is often quoted two ways depending on the country.
How to convert kilometre to nautical mile
One kilometre equals 0.54 nautical miles. To convert, multiply the number of kilometres by 0.54:
nautical miles = kilometres × 0.54
For example, 10 kilometres × 0.54 = 5.3996 nautical miles.
Kilometres to nautical miles conversion table
| Length (km) | Nautical miles (nmi) |
|---|---|
| 1 km | 0.54 nmi |
| 2 km | 1.0799 nmi |
| 3 km | 1.6199 nmi |
| 5 km | 2.6998 nmi |
| 10 km | 5.3996 nmi |
| 20 km | 10.7991 nmi |
| 50 km | 26.9978 nmi |
| 100 km | 53.9957 nmi |
FAQ
How many nautical miles are in a kilometre?
One kilometre = 0.54 nautical miles.
How do I convert nautical miles back to kilometres?
Divide by 0.54, or use the nautical miles to kilometres converter.