Convert miles 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 = mph × 0.868977
Example: 1 mph × 0.868977 = 0.868977 kn
Use mph for US/UK; km/h for international contexts.
Common uses: driving, athletics, and vehicle performance.
How do I convert mph to kn?
Multiply the value in Miles per hour by 0.868977. For example: 10 mph = 8.6898 kn.
When should I use Knots instead of Miles 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.
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 10 mph | 8.6898 kn |
| 20 mph | 17.3795 kn |
| 30 mph | 26.0693 kn |
| 50 mph | 43.4488 kn |
| 60 mph | 52.1386 kn |
| 80 mph | 69.5182 kn |
| 100 mph | 86.8977 kn |
| 120 mph | 104.2772 kn |
| 150 mph | 130.3465 kn |
| 200 mph | 173.7954 kn |