LENGTH CONVERSION
Nautical mile to Kilometer.
Convert nautical mile (nmi) to kilometer (km), with the math explained.
THE MATH, MADE SIMPLE
How to convert nautical mile to kilometer
Multiply your nautical mile value by 1.852 to get the equivalent in kilometer. Both units are normalized through the meter.
km = nmi × 1.85210 nmi = 18.52 km
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
nmi to km conversion table
| Nautical mile (nmi) | Kilometer (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 |
About the nautical mile
The nautical mile (nmi) is a unit of length. One nautical mile equals 1,852 meter (base unit) in this calculator.
All nautical mile conversionsAbout the kilometer
The kilometer (km) is a unit of length. One kilometer equals 1,000 meter (base unit) in this calculator.
All kilometer conversionsCommon questions
What is 1 nmi in km?
One nautical mile equals 1.852 km. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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