Kilometer to Nautical mile Converter
Convert kilometers to nautical miles with this free length converter. The exact relationship used on this page is 1 kilometer = 0.539956803456 nautical miles. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Nautical mile = Kilometer × 0.539956803456
How to convert kilometers to nautical miles
- Enter the value in kilometers in the converter.
- Read the equivalent amount in nautical miles.
- Use the swap link if you need nautical mile to kilometer instead.
- Check the table for common values without typing.
Worked examples
- 1 km = 0.5399568035 nmi
- 5 km = 2.699784017 nmi
- 10 km = 5.399568035 nmi
- 25 km = 13.49892009 nmi
Conversion table
Common kilometers values converted to nautical miles.
| km | nmi |
|---|---|
| 1 | 0.5399568035 |
| 2 | 1.079913607 |
| 3 | 1.61987041 |
| 4 | 2.159827214 |
| 5 | 2.699784017 |
| 6 | 3.239740821 |
| 7 | 3.779697624 |
| 8 | 4.319654428 |
| 9 | 4.859611231 |
| 10 | 5.399568035 |
| 20 | 10.79913607 |
| 50 | 26.99784017 |
| 100 | 53.99568035 |
| 250 | 134.9892009 |
| 500 | 269.9784017 |
| 1,000 | 539.9568035 |
About this conversion
Kilometer (km) and Nautical mile (nmi) are both length units. Length conversion is one of the most searched measurement tasks online. Bookmark this URL when you convert kilometers to nautical miles often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the nautical mile to kilometer converter.
FAQ
How many nautical miles are in 1 kilometer?+
1 kilometer equals 0.539956803456 nautical miles.
What is the formula to convert kilometers to nautical miles?+
Nautical mile = Kilometer × 0.539956803456
How do I convert kilometers to nautical miles by hand?+
Multiply the kilometer value by 0.539956803456. Example: 10 kilometers × 0.539956803456 = 5.39956803456 nautical miles.
Is this km to nmi converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.