Convert kilometers per hour to knots quickly and accurately using this free online converter
Used for driving speed limits, athletic performance, and vehicle specs.
💡 The US and UK use mph; most countries use km/h for speed limits.
kn = km/h × 0.539958
Example: 1 km/h × 0.539958 = 0.539958 kn
Use mph for US/UK; km/h for international contexts.
Common uses: driving, athletics, and vehicle performance.
How do I convert km/h to kn?
Multiply the value in Kilometers per hour by 0.539958. For example: 10 km/h = 5.3996 kn.
When should I use Knots instead of Kilometers per hour?
Use mph for US/UK; km/h for international contexts.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Kilometers per hour (km/h) | Knots (kn) |
|---|---|
| 10 km/h | 5.3996 kn |
| 20 km/h | 10.7992 kn |
| 30 km/h | 16.1987 kn |
| 50 km/h | 26.9979 kn |
| 60 km/h | 32.3975 kn |
| 80 km/h | 43.1966 kn |
| 100 km/h | 53.9958 kn |
| 120 km/h | 64.7949 kn |
| 150 km/h | 80.9937 kn |
| 200 km/h | 107.9915 kn |