Convert knots to miles per hour
Enter a value in knots to convert it to miles per hour.
knots to miles per hour reference
| knots | miles per hour |
|---|---|
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 25 kn | 28.7695 mph |
| 50 kn | 57.5389 mph |
| 100 kn | 115.0778 mph |
The conversion factor
One knot is 1.15077845 miles per hour. So to convert, multiply your figure in knots by 1.15077845. To go the other way, multiply miles per hour by 0.86897699, or use the miles per hour to knots converter.
Doing it in your head
For a quick estimate, round the factor: roughly "times 1". Use the exact converter above when the number matters.
Where this conversion comes up
Driving abroad, running and cycling pace, wind speed, and vehicle specs.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many miles per hour are in a knot?
1 knot = 1.150778 miles per hour.
What is the formula to convert knots to miles per hour?
Multiply the number of knots by 1.15077845. To go back the other way, multiply miles per hour by 0.86897699.
What is 10 knots in miles per hour?
10 knots = 11.5078 miles per hour. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.