Convert knots to kilometers per hour
Enter a value in knots to convert it to kilometers per hour.
knots to kilometers per hour reference
| knots | kilometers per hour |
|---|---|
| 1 kn | 1.852 km/h |
| 2 kn | 3.704 km/h |
| 5 kn | 9.26 km/h |
| 10 kn | 18.52 km/h |
| 25 kn | 46.3 km/h |
| 50 kn | 92.5999 km/h |
| 100 kn | 185.1998 km/h |
The conversion factor
One knot is 1.8519984 kilometers per hour. So to convert, multiply your figure in knots by 1.8519984. To go the other way, multiply kilometers per hour by 0.53995727.
Doing it in your head
For a quick estimate, round the factor: roughly "times 2". 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 kilometers per hour are in a knot?
1 knot = 1.851998 kilometers per hour.
What is the formula to convert knots to kilometers per hour?
Multiply the number of knots by 1.8519984. To go back the other way, multiply kilometers per hour by 0.53995727.
What is 10 knots in kilometers per hour?
10 knots = 18.52 kilometers 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.