Convert mph to knots
1 mile per hour equals 0.868976 knots. To convert miles per hour to knots, multiply the number of miles per hour by 0.868976: for example, 10 mph is 8.68976 kn. Ethical Tube's free mph to knots converter does the math as you type, and the chart below lists common values.
1 mph = 0.868976 kn
- 1 mph
- 0.868976 kn
- 1 kn
- 1.15078 mph
- Formula
- kn = mph × 0.868976
- Measures
- Speed
- Price
- Free
- Works offline
- Yes
Conversion chart
mph to knots chart
| Miles per hour (mph) | Knots (kn) |
|---|---|
| 1 mph | 0.868976 kn |
| 2 mph | 1.73795 kn |
| 3 mph | 2.60693 kn |
| 4 mph | 3.4759 kn |
| 5 mph | 4.34488 kn |
| 6 mph | 5.21386 kn |
| 8 mph | 6.95181 kn |
| 10 mph | 8.68976 kn |
| 12 mph | 10.4277 kn |
| 15 mph | 13.0346 kn |
| 20 mph | 17.3795 kn |
| 25 mph | 21.7244 kn |
| 50 mph | 43.4488 kn |
| 100 mph | 86.8976 kn |
How it works
How to convert mph to knots
Know the formula
kn = mph × 0.868976. In words: multiply the number of miles per hour by 0.868976.
Work an example
10 mph → 8.68976 kn. Round to two or three decimal places for everyday use.
Or type it in
Enter any value in the converter above and the answer appears instantly, in both directions.
Good to know
About speed units
- One mile per hour is exactly 1.609344 kilometers per hour.
- A knot is one nautical mile (1,852 meters) per hour. Ships and aircraft use it.
FAQ
Questions, answered
How many knots are in a mile per hour?
There are 0.868976 knots in 1 mile per hour. To convert miles per hour to knots, multiply the number of miles per hour by 0.868976.
What is 10 mph in knots?
10 miles per hour is 8.68976 knots.
How do you convert knots back to mph?
Multiply the number of knots by 1.15078. 1 knot is 1.15078 miles per hour.
Is this mph to knots converter free?
Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.
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