Knots are the standard unit of speed in aviation and maritime navigation. One knot equals one nautical mile per hour, which is based on the circumference of the Earth. Converting between knots and other speed units is essential for pilots, sailors, and meteorologists tracking wind speeds.
42 kn = 48.332737 mph
42 (forty-two) knot(s) is equal to 48.332737 (forty-eight) miles per hour(s)
What is knot?
The knot (kn) is a unit of speed equal to one nautical mile per hour. It is the standard measure of speed in aviation and maritime navigation. One knot equals approximately 1.852 km/h or 1.151 mph.
What is miles per hour?
Miles per hour (mph) is the standard unit of speed for road transportation in the United States, United Kingdom, and a few other countries. One mph equals approximately 1.609 km/h.
How to convert kn to mph
To convert Knot to Miles per hour, multiply the value by 1.150779448.
42 kn × 1.150779448 = 48.332737 mph
Common Conversions
| kn | mph (Miles per hour) | Description |
|---|---|---|
| 1 kn | 1.150779 mph | 1 Knot(s) = 1.150779 Miles per hour(s) |
| 2 kn | 2.301559 mph | 2 Knot(s) = 2.301559 Miles per hour(s) |
| 5 kn | 5.753897 mph | 5 Knot(s) = 5.753897 Miles per hour(s) |
| 10 kn | 11.507794 mph | 10 Knot(s) = 11.507794 Miles per hour(s) |
| 25 kn | 28.769486 mph | 25 Knot(s) = 28.769486 Miles per hour(s) |
| 50 kn | 57.538972 mph | 50 Knot(s) = 57.538972 Miles per hour(s) |
| 100 kn | 115.077945 mph | 100 Knot(s) = 115.077945 Miles per hour(s) |
| 250 kn | 287.694862 mph | 250 Knot(s) = 287.694862 Miles per hour(s) |
| 500 kn | 575.389724 mph | 500 Knot(s) = 575.389724 Miles per hour(s) |
| 1000 kn | 1150.779448 mph | 1000 Knot(s) = 1150.779448 Miles per hour(s) |
| 2500 kn | 2876.94862 mph | 2500 Knot(s) = 2876.94862 Miles per hour(s) |
| 5000 kn | 5753.89724 mph | 5000 Knot(s) = 5753.89724 Miles per hour(s) |
| 10000 kn | 11507.79448 mph | 10000 Knot(s) = 11507.79448 Miles per hour(s) |
Convert Knot to other units
| kn | Unit | Description |
|---|---|---|
| 42 kn | 21.606667 m/s | Metres per second |
| 42 kn | 77.784 km/h | Kilometres per hour |
| 42 kn | 48.332737 mph | Miles per hour |
| 42 kn | 70.888014 ft/s | Feet per second |