Nautical mile to Kilometer Converter
1 nautical mile is exactly 1.852 kilometers. Convert nautical miles (nmi) to kilometers (km) below: type a value and the result updates as you type.
nmi to km calculator
Result
Nautical mile to Kilometer conversion
1 nmi = 1.852 kmone nautical mile in kilometers
1 km ≈ 0.5399568035 nmione kilometer in nautical miles
Nautical mile (nmi): Exactly 1852 meters (international nautical mile).
Kilometer (km): One thousand meters.
Source:Nautical mile: NIST Special Publication 811 (2008), Appendix B.8; Kilometer: SI Brochure, 9th edition (BIPM, 2019)
How to convert nautical miles to kilometers
To convert nautical miles to kilometers, multiply the number of nautical miles by 1.852.
Formula
km = nmi × 1.852
Examples
- 5 nmi = 5 × 1.852 = 9.26 km
- 25 nmi = 25 × 1.852 = 46.3 km
- 100 nmi = 100 × 1.852 = 185.2 km
Nautical mile to Kilometer conversion table
| Nautical mile (nmi) | Kilometer (km) |
|---|---|
| 0.1 nmi | 0.1852 km |
| 0.5 nmi | 0.926 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 |
| 20 nmi | 37.04 km |
| 25 nmi | 46.3 km |
| 50 nmi | 92.6 km |
| 100 nmi | 185.2 km |
| 250 nmi | 463 km |
| 500 nmi | 926 km |
| 1000 nmi | 1852 km |
Values rounded to 10 significant digits where needed.
Common conversions
Frequently asked questions
- How many kilometers are in one nautical mile?
- One nautical mile is exactly 1.852 kilometers.
- How do I convert kilometers to nautical miles?
- To convert kilometers to nautical miles, divide the number of kilometers by 1.852. The formula is nmi = km ÷ 1.852.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1.852 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a nautical mile or a kilometer?
- A nautical mile is 1.852 times larger than a kilometer. In other words, a kilometer is about 0.5399568035 of a nautical mile.