Speed Converter
km/h, mph, knots and m/s.
1 kilometer per hour = 0.5399568035 kn. Enter any value to convert kilometers per hour (km/h) to knots (kn), or use the table below for common values.
kn = km/h × 0.5399568035
Example: 10 km/h = 5.399568035 kn. To convert the other way, use km/h = kn × 1.852.
Quick mental estimate: multiply by about 0.54.
| Kilometers per Hour (km/h) | Knots (kn) |
|---|---|
| 1 km/h | 0.5399568035 kn |
| 5 km/h | 2.699784017 kn |
| 10 km/h | 5.399568035 kn |
| 20 km/h | 10.79913607 kn |
| 30 km/h | 16.1987041 kn |
| 40 km/h | 21.59827214 kn |
| 50 km/h | 26.99784017 kn |
| 60 km/h | 32.39740821 kn |
| 70 km/h | 37.79697624 kn |
| 80 km/h | 43.19654428 kn |
| 90 km/h | 48.59611231 kn |
| 100 km/h | 53.99568035 kn |
| 120 km/h | 64.79481641 kn |
| 150 km/h | 80.99352052 kn |
| 200 km/h | 107.9913607 kn |
| 300 km/h | 161.987041 kn |
Kilometers per hour is the speed unit on road signs and speedometers in most of the world.
The knot is one nautical mile per hour (exactly 1.852 km/h), used in aviation, sailing and marine weather forecasts.
Use the formula kn = km/h × 0.5399568035. For example, 10 km/h = 5.399568035 kn.
1 km/h = 0.5399568035 kn.
Use km/h = kn × 1.852. 1 kn = 1.852 km/h.