Kilometers per hour to Knots formula
knots = kilometers per hour × 0.539957
Multiply the number of kilometers per hour by 0.539957 to get knots. To go the other way, multiply by 1.852 instead, or use the knots to kmh converter.
Kilometers per hour to Knots conversion table
Common kmh to knots values, rounded for reading. The converter above keeps full precision.
| Kilometers per hour | Knots |
|---|---|
| 1 km/h | 0.539957 kn |
| 2 km/h | 1.07991 kn |
| 3 km/h | 1.61987 kn |
| 4 km/h | 2.15983 kn |
| 5 km/h | 2.69978 kn |
| 10 km/h | 5.39957 kn |
| 15 km/h | 8.09935 kn |
| 20 km/h | 10.7991 kn |
| 25 km/h | 13.4989 kn |
| 50 km/h | 26.9978 kn |
| 75 km/h | 40.4968 kn |
| 100 km/h | 53.9957 kn |
| 250 km/h | 134.989 kn |
| 500 km/h | 269.978 kn |
| 1,000 km/h | 539.957 kn |
Worked example
To convert 10 km/h to knots, multiply by 0.539957: the result is 5.39957 kn. One knot is exactly one nautical mile per hour. A nautical mile is exactly 1,852 meters, so 1 knot equals 1.150779448 mph and 1.852 km/h.
Frequently asked questions
How many knots are in a kilometer per hour?
One kilometer per hour equals 0.539957 knots (1 km/h = 0.539957 kn).
What is 10 kilometers per hour in knots?
10 km/h converts to 5.39957 kn. Enter any other value in the converter above to see it recalculated instantly.
How do I convert knots back to kilometers per hour?
Reverse the calculation: one knot equals 1.852 kilometers per hour. You can also swap the units in the converter or open the knots to kmh page.
Related speed conversions
Need a different pair? Open the full speed converter to choose any two units.