Convert Knot to Mile per Hour
Live bidirectional calculator for Knots (kn) and Miles per Hour (mph) with verified formula and conversion charts.
Speed5 units
How the Calculation Works (Linear Scaling)
Since 1 Knot = 1.150779 Miles per Hour, multiply the value in Knots by 1.150779.
Knot to Mile per Hour Conversion Table
Precomputed values for quick reference and printing.
| Knot | Mile per Hour |
|---|---|
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 3 kn | 3.4523 mph |
| 4 kn | 4.6031 mph |
| 5 kn | 5.7539 mph |
| 6 kn | 6.9047 mph |
| 7 kn | 8.0555 mph |
| 8 kn | 9.2062 mph |
| 9 kn | 10.357 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 30 kn | 34.5234 mph |
| 40 kn | 46.0312 mph |
| 50 kn | 57.539 mph |
| 75 kn | 86.3085 mph |
| 100 kn | 115.0779 mph |
| Mile per Hour | Knot |
|---|---|
| 1 mph | 0.869 kn |
| 2 mph | 1.738 kn |
| 3 mph | 2.6069 kn |
| 4 mph | 3.4759 kn |
| 5 mph | 4.3449 kn |
| 6 mph | 5.2139 kn |
| 7 mph | 6.0828 kn |
| 8 mph | 6.9518 kn |
| 9 mph | 7.8208 kn |
| 10 mph | 8.6898 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 |
| 75 mph | 65.1732 kn |
| 100 mph | 86.8976 kn |
About Knot (kn)
One nautical mile per hour, defined internationally as exactly 1.852 km/h (โ 0.5144 m/s).
History: Historically measured using a chip log on a knotted rope counted against an hourglass.
Common Uses: Maritime navigation, commercial aviation airspeeds, and meteorological storm tracking.
About Mile per Hour (mph)
Unit of speed defined as exactly 1.609344 km/h (exactly 0.44704 meters per second).
History: Traditional imperial speed measurement standardized internationally in 1959.
Common Uses: Road speed limits and vehicle speedometers in the United States and United Kingdom.
โ Frequently Asked Questions
How many Miles per Hour are in 1 Knot?
There are exactly 1.150779 Miles per Hour in 1 Knot (1 kn = 1.150779 mph).
What is the formula to convert Knot to Mile per Hour?
The formula is: Mile per Hour = Knot ร 1.150779. Since 1 Knot = 1.150779 Miles per Hour, multiply the value in Knots by 1.150779.
How do I convert 1 kn to mph manually?
To convert 1 kn to mph: apply the formula Mile per Hour = Knot ร 1.150779. Substituting gives: 1 ร 1.150779 = 1.1508 mph.