Formula
mph to kn conversion formula
Use this relationship for a direct conversion:
Worked example
2 mph = 1.7379524838 kn.
All listed factors are fixed by exact length and time definitions.
Speed conversion
1 mile per hour (mph) equals 0.868976241901 knot (kn). Enter any value below to convert from mph to kn.
Enter a value and choose units. Results update instantly.
1 mph = 0.8689762419 kn
| Unit | Value |
|---|---|
| Meter per second m/s | 0.44704 |
| Kilometer per hour km/h | 1.609344 |
| Mile per hour mph | 1 |
| Knot kn | 0.8689762419 |
| Foot per second ft/s | 1.4666666667 |
| Centimeter per second cm/s | 44.704 |
| Speed of light c | 0.0000000015 |
Formula
Use this relationship for a direct conversion:
2 mph = 1.7379524838 kn.
All listed factors are fixed by exact length and time definitions.
Quick reference
| Mile per hour (mph) | Knot (kn) |
|---|---|
| 0.01 | 0.0086897624 |
| 0.1 | 0.0868976242 |
| 1 | 0.8689762419 |
| 2 | 1.7379524838 |
| 5 | 4.3448812095 |
| 10 | 8.689762419 |
| 25 | 21.7244060475 |
| 50 | 43.448812095 |
| 100 | 86.8976241901 |
| 1,000 | 868.9762419006 |
From unit
One international mile traveled in one hour.
Symbol: mph
To unit
One nautical mile per hour.
Symbol: kn
Keep converting
Source
Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.
View the complete speed converterQuestions
Use the formula kn = mph x 0.868976241901. 1 mile per hour (mph) equals 0.868976241901 knot (kn).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.