How to convert kilometers per hour to knots
To convert kilometers per hour to knots, multiply by 0.539956803456. Speed conversions are used for driving, aviation, sailing, sports and physics problems.
Kilometer per Hour to Knot conversion table
| Kilometer per Hour (km/h) | Knot (kn) |
|---|---|
| 0.1 km/h | 0.0539956803456 kn |
| 0.5 km/h | 0.269978401728 kn |
| 1 km/h | 0.539956803456 kn |
| 2 km/h | 1.07991360691 kn |
| 3 km/h | 1.61987041037 kn |
| 4 km/h | 2.15982721382 kn |
| 5 km/h | 2.69978401728 kn |
| 10 km/h | 5.39956803456 kn |
| 20 km/h | 10.7991360691 kn |
| 25 km/h | 13.4989200864 kn |
| 50 km/h | 26.9978401728 kn |
| 100 km/h | 53.9956803456 kn |
| 500 km/h | 269.978401728 kn |
| 1,000 km/h | 539.956803456 kn |
About the units
Kilometer per Hour (km/h)
Kilometers per hour is the road speed unit used in most of the world.
Knot (kn)
A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea.
How to use this converter
- Type the number of kilometers per hour (km/h) in the input box.
- The result in knots appears instantly — no button needed.
- See the same value in every other speed unit just below.
- Use “Swap units” to convert knots back to kilometers per hour.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many knots are in one kilometer per hour?
One kilometer per hour equals 0.539956803456 knots. 0.539956803456 is the exact factor used by this converter.
How do I convert kilometers per hour to knots?
Multiply the value in kilometers per hour by 0.539956803456. To go the other way, multiply knots by 1.852.
What is 10 km/h in kn?
10 km/h = 5.39956803456 kn. Also, 5 km/h = 2.69978401728 kn and 100 km/h = 53.9956803456 kn.
What is the difference between a kilometer per hour and a knot?
Kilometers per hour is the road speed unit used in most of the world. A knot is one nautical mile (1,852 m) per hour, used in aviation and at sea.
Is this tool free and private?
Yes — the Kilometer per Hour to Knot is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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