Mile/Hour to Knot Conversion
1 Mile/Hour (mph) equals 0.8689762419 Knot (kn).
1 Mile/Hour = 0.8689762419 Knot
How to convert Mile/Hour to Knot
Multiply the value in Mile/Hour by 0.8689762419 to get Knot. To convert back from Knot to Mile/Hour, divide by 0.8689762419 — or multiply by 1.150779448.
kn = mph × 0.8689762419
Example: 25 mph × 0.8689762419 = 21.72440605 kn.
Watch out: Mach number depends on air temperature. This converter uses 343 m/s, the speed of sound in dry air at about 20 °C; at cruising altitude the real figure is lower.
Mile/Hour to Knot conversion table
| Mile/Hour (mph) | Knot (kn) |
|---|---|
| 1 | 0.8689762419 |
| 2 | 1.737952484 |
| 3 | 2.606928726 |
| 4 | 3.475904968 |
| 5 | 4.34488121 |
| 10 | 8.689762419 |
| 15 | 13.03464363 |
| 20 | 17.37952484 |
| 25 | 21.72440605 |
| 50 | 43.4488121 |
| 75 | 65.17321814 |
| 100 | 86.89762419 |
| 250 | 217.2440605 |
| 500 | 434.488121 |
| 1,000 | 868.9762419 |
Frequently asked questions
What is 1 Mile/Hour in Knot?
1 Mile/Hour (mph) is 0.8689762419 Knot (kn).
What is 1 Knot in Mile/Hour?
1 Knot (kn) is 1.150779448 Mile/Hour (mph).
How do I convert Mile/Hour to Knot?
Multiply the value in Mile/Hour by 0.8689762419. For example, 5 mph × 0.8689762419 = 4.34488121 kn. To go the other way, divide by 0.8689762419.
How many units does the speed converter support?
It converts between 7 units: Meter/Second, Kilometer/Hour, Mile/Hour, Knot, Foot/Second, Centimeter/Second, Mach.
What should I watch out for when converting speed?
Mach number depends on air temperature. This converter uses 343 m/s, the speed of sound in dry air at about 20 °C; at cruising altitude the real figure is lower.
More speed conversions
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For any other speed unit, use the full Speed Converter.