Convert miles per hour (mph) to knots (kn) instantly — type a value below.
To convert miles per hour to knots, use this formula:
kn = mph × 0.8689762419 (or divide by 1.150779448)
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 0.1 mph | 0.0868976 kn |
| 0.25 mph | 0.217244 kn |
| 0.5 mph | 0.434488 kn |
| 1 mph | 0.868976 kn |
| 2 mph | 1.73795 kn |
| 3 mph | 2.60693 kn |
| 4 mph | 3.4759 kn |
| 5 mph | 4.34488 kn |
| 6 mph | 5.21386 kn |
| 7 mph | 6.08283 kn |
| 8 mph | 6.95181 kn |
| 9 mph | 7.82079 kn |
| 10 mph | 8.68976 kn |
| 12 mph | 10.4277 kn |
| 15 mph | 13.0346 kn |
| 20 mph | 17.3795 kn |
| 25 mph | 21.7244 kn |
| 30 mph | 26.0693 kn |
| 40 mph | 34.759 kn |
| 50 mph | 43.4488 kn |
| 60 mph | 52.1386 kn |
| 70 mph | 60.8283 kn |
| 75 mph | 65.1732 kn |
| 80 mph | 69.5181 kn |
| 90 mph | 78.2079 kn |
| 100 mph | 86.8976 kn |
| 150 mph | 130.346 kn |
| 200 mph | 173.795 kn |
| 250 mph | 217.244 kn |
| 500 mph | 434.488 kn |
| 1,000 mph | 868.976 kn |
Miles per hour is the road speed unit in the United States and the United Kingdom. 1 mph is exactly 0.44704 m/s.
A knot is one nautical mile per hour (1.852 km/h). It is used in shipping, aviation and for wind speed at sea.
Need other units? Use the full speed converter.