Convert miles per hour to knots instantly. 100 mph = 86.89762 kn.
1 mph = 0.8689762 kn
To convert miles per hour to knots, use the formula kn = mph × 0.8689762. In other words, multiply the number of miles per hour by 0.8689762 to get the equivalent in knots. For example, 100 mph equals 86.89762 kn.
| MPH (mph) | Knots (kn) |
|---|---|
| 1 mph | 0.8689762 kn |
| 5 mph | 4.344881 kn |
| 10 mph | 8.689762 kn |
| 15 mph | 13.03464 kn |
| 20 mph | 17.37952 kn |
| 25 mph | 21.72441 kn |
| 30 mph | 26.06929 kn |
| 40 mph | 34.75905 kn |
| 50 mph | 43.44881 kn |
| 60 mph | 52.13857 kn |
| 70 mph | 60.82834 kn |
| 80 mph | 69.5181 kn |
| 90 mph | 78.20786 kn |
| 100 mph | 86.89762 kn |
| 110 mph | 95.58739 kn |
| 120 mph | 104.2771 kn |
| 130 mph | 112.9669 kn |
| 150 mph | 130.3464 kn |
| 200 mph | 173.7952 kn |
| 300 mph | 260.6929 kn |
The mile per hour (mph) and the knot (kn) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the Knots to MPH converter. For all units at once, try the full Speed Converter.
Use the formula kn = mph × 0.8689762. For example, 100 mph equals 86.89762 kn. Just enter your value in the converter above to get an instant result.
1 mph = 0.8689762 kn. You can multiply any number of miles per hour by this figure to convert it, or use the calculator above for exact results.
Use the reverse conversion: 1 kn = 1.150779 mph. Our Knots to MPH converter does this for you.