Convert Nautical mile to Kilometre
Turn Nautical miles into Kilometres in an instant. Type a value below to get an accurate nmi → km result, with the formula and a quick-reference table.
1 nmi = 1.852 km
Quick answer: 1 Nautical mile = 1.852 Kilometre
Nautical mile to Kilometre conversion table
| Nautical mile (nmi) | Kilometre (km) |
|---|---|
| 1 nmi | 1.852 km |
| 2 nmi | 3.704 km |
| 5 nmi | 9.26 km |
| 10 nmi | 18.52 km |
| 20 nmi | 37.04 km |
| 50 nmi | 92.6 km |
| 100 nmi | 185.2 km |
| 500 nmi | 926 km |
| 1,000 nmi | 1,852 km |
How to convert Nautical mile to Kilometre
To convert Nautical miles to Kilometres, multiply the value by 1.852.
- Take your measurement in Nautical miles.
- Multiply it by 1.852 — the number of Kilometres in one Nautical mile.
- The result is the same amount, expressed in Kilometres.
To go the other way, multiply Kilometres by 0.5399568 — or simply divide by 1.852.
For example, one minute of latitude is about 1 nmi, which is 1.852 km.
About Nautical mile and Kilometre
A nautical mile is 1,852 metres, originally defined as one minute of latitude along a meridian. It is used in sea and air navigation; a speed of one nautical mile per hour is called a knot.
A kilometre is 1,000 metres, the standard metric unit for longer distances. It is used for road distances, running races and geography almost everywhere outside the United States and the United Kingdom.
The Nautical mile is a nautical unit while the Kilometre comes from the metric system — which is exactly why this conversion comes up so often. One Nautical mile equals 1.852 Kilometres.
Other length conversions
Frequently asked questions
How many Kilometres are in a Nautical mile?
1 Nautical mile equals 1.852 Kilometre (nmi → km). To convert any amount, multiply the number of Nautical miles by 1.852.
How do I convert Nautical mile to Kilometre?
Enter the number of Nautical miles in the converter above and read the result in Kilometres. It applies the exact nmi → km factor instantly, with full precision.
Is the Nautical mile to Kilometre converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined length factors and full floating-point precision, then rounds the display to a clean, readable number.