LENGTH CONVERSION
Kilometer to Nautical mile.
Convert kilometer (km) to nautical mile (nmi), with the math explained.
1 km = 0.5399568035 nmi
THE MATH, MADE SIMPLE
How to convert kilometer to nautical mile
Multiply your kilometer value by 0.539956803456 to get the equivalent in nautical mile. Both units are normalized through the meter.
nmi = km × 0.539956803510 km = 5.39956803456 nmi
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
km to nmi conversion table
| Kilometer (km) | Nautical mile (nmi) |
|---|---|
| 1 km | 0.539956803456 nmi |
| 2 km | 1.07991360691 nmi |
| 5 km | 2.69978401728 nmi |
| 10 km | 5.39956803456 nmi |
| 20 km | 10.7991360691 nmi |
| 50 km | 26.9978401728 nmi |
| 100 km | 53.9956803456 nmi |
| 500 km | 269.978401728 nmi |
| 1,000 km | 539.956803456 nmi |
About the kilometer
The kilometer (km) is a unit of length. One kilometer equals 1,000 meter (base unit) in this calculator.
All kilometer conversionsAbout 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 conversionsCommon questions
What is 1 km in nmi?
One kilometer equals 0.539956803456 nmi. 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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