Convert Miles per Hour to Knots
1 mile per hour = 0.86897624 knots. Multiply the number of miles per hour by 0.868976241901.
1 mph = 0.8689762419 kn
Multiply the number of miles per hour by 0.868976241901.
Results are rounded for display. Double-check values for critical work.
Popular speed & velocity conversions
Miles per Hour to Knots table
| Miles per Hour | Knots |
|---|---|
| 1 mph | 0.86897624 kn |
| 2 mph | 1.7379525 kn |
| 3 mph | 2.6069287 kn |
| 4 mph | 3.475905 kn |
| 5 mph | 4.3448812 kn |
| 10 mph | 8.6897624 kn |
| 20 mph | 17.379525 kn |
| 25 mph | 21.724406 kn |
| 50 mph | 43.448812 kn |
| 100 mph | 86.897624 kn |
| 500 mph | 434.48812 kn |
| 1000 mph | 868.97624 kn |
Miles per Hour to Knots in your head
Multiply by 6, then divide by 7.
That lands within 1% of the exact value.
10 mph → 8.57143 kn in your head, 8.68976 kn exactly.
About these units
The mile per hour (mph) is an imperial unit of speed & velocity, equal to 0.44704 meters per second.
The knot (kn) is a specialist or regional unit of speed & velocity, equal to 0.51444444 meters per second.
Going the other way, 1 knot = 1.1507794 miles per hour. Speed limits, wind reports, boat logs and aviation all use different units for the same idea. Convert between metric, imperial, nautical and scientific speeds instantly.
Frequently asked
- How many knots are in a mile per hour?
- 1 mile per hour = 0.86897624 knots.
- How do you convert miles per hour to knots?
- Multiply the number of miles per hour by 0.868976241901.
- What is 10 mph in kn?
- 10 mph = 8.6897624 kn.