Formula
kn to mph conversion formula
Use this relationship for a direct conversion:
Worked example
2 kn = 2.301558896 mph.
All listed factors are fixed by exact length and time definitions.
Speed conversion
1 knot (kn) equals 1.150779448024 mile per hour (mph). Enter any value below to convert from kn to mph.
Enter a value and choose units. Results update instantly.
1 kn = 1.150779448 mph
| Unit | Value |
|---|---|
| Meter per second m/s | 0.5144444444 |
| Kilometer per hour km/h | 1.852 |
| Mile per hour mph | 1.150779448 |
| Knot kn | 1 |
| Foot per second ft/s | 1.6878098571 |
| Centimeter per second cm/s | 51.4444444444 |
| Speed of light c | 0.0000000017 |
Formula
Use this relationship for a direct conversion:
2 kn = 2.301558896 mph.
All listed factors are fixed by exact length and time definitions.
Quick reference
| Knot (kn) | Mile per hour (mph) |
|---|---|
| 0.01 | 0.0115077945 |
| 0.1 | 0.1150779448 |
| 1 | 1.150779448 |
| 2 | 2.301558896 |
| 5 | 5.7538972401 |
| 10 | 11.5077944802 |
| 25 | 28.7694862006 |
| 50 | 57.5389724012 |
| 100 | 115.0779448024 |
| 1,000 | 1,150.7794480235 |
From unit
One nautical mile per hour.
Symbol: kn
To unit
One international mile traveled in one hour.
Symbol: mph
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 mph = kn x 1.150779448024. 1 knot (kn) equals 1.150779448024 mile per hour (mph).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.