Convert knot (kn) to mile per hour (mph).
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Mile Per Hour to Knot Converter (mph to kn)
Convert mile per hour (mph) to knot (kn).Unit Converter · Speed
Quick answer
1 mile per hour (mph) is approximately equal to 0.8689762 knots (kn). 1 knot (kn) is approximately equal to 1.150779 miles per hour (mph).
To convert mph to kn, multiply the value in miles per hour by 0.868976242. For example, 10 mph = 8.68976242 kn, and 100 mph = 86.8976242 kn.
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Quick reference — mile per hour to knot
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How to convert miles per hour to knots
How many knots are in a mile per hour? 1 mile per hour is about 0.8689762 knots. This free mph to kn converter and mile per hour to knot calculator gives the answer instantly for any value.
To convert mile per hour (mph) to knot (kn), multiply the value in miles per hour by 0.868976242.
kn = mph × 0.868976242
- 1
Take the value in miles per hour
For example, 25 mph.
- 2
Multiply by 0.868976242
25 × 0.868976242.
- 3
Read the answer in knots
25 mph = 21.72440605 kn.
Mile Per Hour to Knot conversion table
Common values from 1 to 1,000 miles per hour converted to knots.
| Mile Per Hour (mph) | Knot (kn) |
|---|---|
| 1 mph | 0.86897624 kn |
| 2 mph | 1.73795248 kn |
| 3 mph | 2.60692873 kn |
| 4 mph | 3.47590497 kn |
| 5 mph | 4.34488121 kn |
| 6 mph | 5.21385745 kn |
| 7 mph | 6.08283369 kn |
| 8 mph | 6.95180994 kn |
| 9 mph | 7.82078618 kn |
| 10 mph | 8.68976242 kn |
| 15 mph | 13.03464363 kn |
| 20 mph | 17.37952484 kn |
| 25 mph | 21.72440605 kn |
| Mile Per Hour (mph) | Knot (kn) |
|---|---|
| 30 mph | 26.06928726 kn |
| 40 mph | 34.75904968 kn |
| 50 mph | 43.4488121 kn |
| 60 mph | 52.13857452 kn |
| 70 mph | 60.82833694 kn |
| 75 mph | 65.17321815 kn |
| 80 mph | 69.51809936 kn |
| 90 mph | 78.20786178 kn |
| 100 mph | 86.8976242 kn |
| 250 mph | 217.24406049 kn |
| 500 mph | 434.48812099 kn |
| 1,000 mph | 868.97624198 kn |
About miles per hour and knots
Mile Per Hour (mph)
Mile per hour (mph) is the road speed unit in the US and UK. 1 mph is exactly 1.609344 km/h.
Knot (kn)
A knot is one nautical mile per hour, exactly 1.852 km/h. It is used for ships and aircraft.
mph to kn: common questions
- How many knots are in 1 mile per hour?
- 1 mile per hour (mph) is approximately equal to 0.8689762 knots (kn). In short: 1 mph ≈ 0.8689762 kn.
- How do I convert miles per hour to knots?
- To convert mph to kn, multiply the value in miles per hour by 0.868976242. For example, 5 mph = 4.34488121 kn.
- How do I convert knots to miles per hour?
- Use the Knot to Mile Per Hour converter, which applies the exact reverse factor.
- What is 10 mph in kn, and what is 100 mph?
- 10 mph = 8.68976242 kn, and 100 mph = 86.8976242 kn. The table above lists more values from 1 to 1,000.
- Is this mph to kn converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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