Convert Kilometer per hour to Knot
Convert Kilometer per hour to Knot instantly. 1 km/h = 0.539957 kn. Formula, worked examples and a quick reference table.
Last updated
One kilometer per hour equals 0.539957 knot. To convert any number of kilometer per hours to knots, multiply by 0.53995727.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Kilometer per hour to Knot formula
To go the other way, use kilometer per hour = knot ÷ 0.53995727.
About these units
One knot is one nautical mile per hour. The name comes from the knotted rope once trailed behind a ship to measure its speed.
Kilometer per hour to Knot conversion table
| Kilometer per hour | Knot |
|---|---|
| 1 km/h | 0.54 kn |
| 2 km/h | 1.0799 kn |
| 3 km/h | 1.6199 kn |
| 5 km/h | 2.6998 kn |
| 10 km/h | 5.3996 kn |
| 20 km/h | 10.7991 kn |
| 25 km/h | 13.4989 kn |
| 50 km/h | 26.9979 kn |
| 100 km/h | 53.9957 kn |
| 250 km/h | 134.9893 kn |
| 500 km/h | 269.9786 kn |
| 1,000 km/h | 539.9573 kn |
Frequently asked questions
How many knots are in a kilometer per hour? +
There are 0.539957 knots in one kilometer per hour.
What is 10 km/h in kn? +
10 km/h equals 5.3996 kn. Multiply 10 by 0.53995727.
How do I convert knot back to kilometer per hour? +
Use kilometer per hour = knot ÷ 0.53995727. The converter above handles both directions, or see our dedicated Knot to Kilometer per hour page.