Nautical mile to Kilometer Converter
Type a value — the answer appears instantly. 1 nmi = 1.852 km.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
1.852 kilometers
= 1,852 m= 6,076.12 ft
equals 1.852 kilometersFormula: km = nmi × 1.852
Nautical mile to Kilometer formula
km = nmi × 1.852
Convert 5 nautical miles to kilometers
- Start with 5 nautical miles.
- Multiply by the conversion factor: 5 × 1.852 = 9.26.
- So 5 nmi = 9.26 km.
Nautical mile to Kilometer conversion table
| Nautical miles (nmi) | Kilometers (km) |
|---|---|
| 0.01 nmi | 0.01852 km |
| 0.1 nmi | 0.1852 km |
| 0.25 nmi | 0.463 km |
| 0.5 nmi | 0.926 km |
| 1 nmi | 1.852 km |
| 2 nmi | 3.704 km |
| 3 nmi | 5.556 km |
| 4 nmi | 7.408 km |
| 5 nmi | 9.26 km |
| 6 nmi | 11.112 km |
| 7 nmi | 12.964 km |
| 8 nmi | 14.816 km |
| 9 nmi | 16.668 km |
| 10 nmi | 18.52 km |
| 15 nmi | 27.78 km |
| 20 nmi | 37.04 km |
| 25 nmi | 46.3 km |
| 30 nmi | 55.56 km |
| 40 nmi | 74.08 km |
| 50 nmi | 92.6 km |
| 75 nmi | 138.9 km |
| 100 nmi | 185.2 km |
| 250 nmi | 463 km |
| 500 nmi | 926 km |
| 1,000 nmi | 1,852 km |
| 5,000 nmi | 9,260 km |
| 10,000 nmi | 18,520 km |
Unit definitions
What is a nautical mile?
The nautical mile is exactly 1852 metres, originally one minute of latitude along a meridian. It is the standard distance unit in maritime and air navigation, and the knot (one nautical mile per hour) derives from it. It is slightly longer than a statute mile.
What is a kilometer?
The kilometre is one thousand metres, the metric unit for measuring road distances, running events, and geography in most countries. Road signs, car odometers, and marathons (42.195 km) are all expressed in kilometres. One kilometre is about 0.621 miles.
Frequently asked questions
How many kilometers are in one nautical mile?
One nautical mile equals 1.852 kilometers (1 nmi = 1.852 km).
How do I convert nautical miles to kilometers?
Multiply the value in nautical miles by 1.852. For example, 10 nmi × 1.852 = 18.52 km.
Which is bigger — a nautical mile or a kilometer?
A nautical mile is bigger: one nautical mile contains 1.852 kilometers.
Is this nautical mile to kilometer converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.