kilometer to nautical mile (km → nmi)
Unit ConverterConverting kilometer (km) to nautical mile (nmi), 1km is about 0.539957nmi.
What is it
kilometer is a length unit, as is nautical mile. Their relation is fixed: 1km = 0.539957nmi.
nmi = km × 0.539957
How to use
- 1Enter the kilometer (km) value.
- 2See the nautical mile (nmi) result instantly.
- 3Switch units to convert again if needed.
Reference
| km | nmi |
|---|---|
| 1 | 0.539957 |
| 5 | 2.699784 |
| 10 | 5.399568 |
| 50 | 26.99784 |
| 100 | 53.99568 |
| 1000 | 539.956803 |
Sources & standards
FAQ
How many nmi is 1km?
1km is about 0.539957nmi.
How do I convert nmi back to km?
Compute km = nmi ÷ 0.539957.
How many nmi is 10km?
10km is about 5.399568nmi.
Why do aviation routes use nautical miles?
Because one nautical mile matches one minute of latitude, distances can be read directly off charts. A 450km route is about 243nmi.
Is my input sent to a server?
No. Every conversion runs instantly inside your browser; the values you enter are never sent to a server or stored.