Knots to miles per hour
Type a value in kn to get it in mph instantly.
That's 1.43× as fast as a car on the highway, while a bullet train is 1.73× faster. In one minute you'd cover 1.918 miles.
Convert the other way: mph to kn
What it means
How fast is that?
Reference speeds are typical values. Mach uses the speed of sound in dry air at 20 °C (343 m/s).
The math
How to convert kn to mph
To convert knots to miles per hour, multiply by 1.15078.
Example: 100 kn × 1.15078 = 115.078 mph.
In the other direction, 1 mph = 0.868976 kn.
Every unit
Your speed in every unit
Tables
kn to mph conversion table
| kn | mph |
|---|---|
| 1 kn | 1.15078 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 20 kn | 23.0156 mph |
| 30 kn | 34.5234 mph |
| 40 kn | 46.0312 mph |
| 50 kn | 57.539 mph |
| 60 kn | 69.0468 mph |
| 70 kn | 80.5546 mph |
| 80 kn | 92.0624 mph |
| 90 kn | 103.57 mph |
| 100 kn | 115.078 mph |
| 110 kn | 126.586 mph |
| 120 kn | 138.094 mph |
| 130 kn | 149.601 mph |
| 150 kn | 172.617 mph |
| 200 kn | 230.156 mph |
| 300 kn | 345.234 mph |
| 500 kn | 575.39 mph |
| 1,000 kn | 1,150.78 mph |
mph to kn conversion table
| mph | kn |
|---|---|
| 1 mph | 0.868976 kn |
| 5 mph | 4.34488 kn |
| 10 mph | 8.68976 kn |
| 20 mph | 17.3795 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 |
| 80 mph | 69.5181 kn |
| 90 mph | 78.2079 kn |
| 100 mph | 86.8976 kn |
| 110 mph | 95.5874 kn |
| 120 mph | 104.277 kn |
| 130 mph | 112.967 kn |
| 150 mph | 130.346 kn |
| 200 mph | 173.795 kn |
| 300 mph | 260.693 kn |
| 500 mph | 434.488 kn |
| 1,000 mph | 868.976 kn |
Quick answers
Quick answers
- How many mph is 1 kn?
- 1 kn is 1.15078 mph.
- How many mph is 10 kn?
- 10 kn is 11.5078 mph.
- How many mph is 100 kn?
- 100 kn is 115.078 mph.
The units
About these units
Knots (kn)
A knot is one nautical mile per hour, the unit of ships, aircraft and wind at sea. The nautical mile (1,852 m) was originally one minute of latitude, so 1 knot is exactly 1.852 km/h.
Miles per hour (mph)
The mile per hour is used on road signs in the United Kingdom, the United States and a few other countries. A mile is exactly 1,609.344 meters, so 1 mph is 1.609344 km/h.
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