Convert miles per hour to knots
Mile per hour (mph) to knot (kn). One mile per hour equals 0.868976 knots.
Formula
Mile per hour to knot conversion table
| Miles per hour | Knots | Knots | Miles per hour |
|---|---|---|---|
| 1 mph | 0.868976 kn | 1 kn | 1.1508 mph |
| 2 mph | 1.738 kn | 2 kn | 2.3016 mph |
| 3 mph | 2.6069 kn | 3 kn | 3.4523 mph |
| 5 mph | 4.3449 kn | 5 kn | 5.7539 mph |
| 10 mph | 8.6898 kn | 10 kn | 11.5078 mph |
| 20 mph | 17.3795 kn | 20 kn | 23.0156 mph |
| 50 mph | 43.4488 kn | 50 kn | 57.539 mph |
| 100 mph | 86.8976 kn | 100 kn | 115.08 mph |
| 500 mph | 434.49 kn | 500 kn | 575.39 mph |
| 1000 mph | 868.98 kn | 1000 kn | 1150.78 mph |
To convert miles per hour to knots, divide the number of miles per hour by 1.1508. One mile per hour equals 0.868976 knots, and one knot equals 1.1508 miles per hour, so the relationship is fixed and exact. As a worked example, 10 mph comes to 8.6898 kn. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a speed conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common mile per hour values already worked out in knots, plus the reverse knot to mile per hour direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many knots are in a mile per hour?
One mile per hour equals 0.868976 knots. The ratio is constant, so you can multiply any number of miles per hour by 0.868976 to get knots.
What is the formula to convert miles per hour to knots?
Use knots = miles per hour ÷ 1.1508. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert knots back to miles per hour?
Go the other way by using one knot equals 1.1508 miles per hour. You can also press the swap button in the converter above to flip the direction in one click.
Is this mile per hour to knot converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.