Convert Knot to Miles per Hour
Instantly convert Knot (kn) to Miles per Hour (mph). Free and accurate.
About This Conversion
What is a Knot to Miles per Hour conversion?
One knot (kn) is equal to 1.15077845 miles per hour (mph). This relationship is fixed by international measurement standards and does not change. To convert any number of knot to miles per hour, multiply your value by 1.15077845; to go the other way, divide by 1.15077845.
How to convert Knot to Miles per Hour
The conversion formula is: 1 kn = 1.15077845 mph. Enter any value into the converter above and the result updates instantly. The formula is also shown alongside the answer so you can check the working or use it in your own calculations.
Where is this conversion used?
Speed conversions are used in road travel, aviation, maritime navigation, athletics, and meteorology. Miles per hour (mph) is common in the UK and USA, kilometres per hour (km/h) is the global metric standard, and knots are used at sea and in aviation. Pilots, sailors, meteorologists, race engineers, and transport planners convert between speed units regularly. The speed of sound at sea level is roughly 343 m/s, 1,235 km/h, or 767 mph — a useful benchmark for high-speed calculations.
Helpful tip
A quick approximation: 100 km/h is roughly 62 mph. To convert mentally, multiply km/h by 0.6 for a close estimate in mph.
Formula
1 kn = 1.15077845 mph
kn to mph Conversion Table
| kn | mph |
|---|---|
| 0.1 kn | 0.1150778454 mph |
| 0.5 kn | 0.5753892269 mph |
| 1 kn | 1.15077845 mph |
| 2 kn | 2.30155691 mph |
| 5 kn | 5.75389227 mph |
| 10 kn | 11.50778454 mph |
| 20 kn | 23.01556908 mph |
| 25 kn | 28.76946135 mph |
| 50 kn | 57.53892269 mph |
| 100 kn | 115.07784538 mph |
| 250 kn | 287.69461346 mph |
| 500 kn | 575.38922691 mph |
| 1000 kn | 1,150.778454 mph |