About the Nautical Mile Converter
Convert nautical miles (nmi) to kilometers (km) instantly. Includes the exact conversion factor, formula and a quick reference table.
Also known as: nmi to km, Nautical miles to Kilometers, convert Nautical miles to Kilometers, nmi to km, nautical miles to km, nm to miles.
How to use this calculator
- Enter value in nautical miles.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
km = nmi × 1.852
Worked example
Using the values pre-filled in the calculator above:
- Value in nautical miles = 1 nmi
the calculator returns:
- Kilometers: 1.852 km
- Nanometers: 1,852,000,000,000 nm
- Micrometers: 1,852,000,000 µm
- Millimeters: 1,852,000 mm
Working
1 nmi × 1.852 = 1.852 km