Knots to Kilometers per hour formula
kilometers per hour = knots × 1.852
Multiply the number of knots by 1.852 to get kilometers per hour. To go the other way, multiply by 0.539957 instead, or use the kmh to knots converter.
Knots to Kilometers per hour conversion table
Common knots to kmh values, rounded for reading. The converter above keeps full precision.
| Knots | Kilometers per hour |
|---|---|
| 1 kn | 1.852 km/h |
| 2 kn | 3.704 km/h |
| 3 kn | 5.556 km/h |
| 4 kn | 7.408 km/h |
| 5 kn | 9.26 km/h |
| 10 kn | 18.52 km/h |
| 15 kn | 27.78 km/h |
| 20 kn | 37.04 km/h |
| 25 kn | 46.3 km/h |
| 50 kn | 92.6 km/h |
| 75 kn | 138.9 km/h |
| 100 kn | 185.2 km/h |
| 250 kn | 463 km/h |
| 500 kn | 926 km/h |
| 1,000 kn | 1,852 km/h |
Worked example
To convert 10 kn to kilometers per hour, multiply by 1.852: the result is 18.52 km/h. 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 kilometers per hour are in a knot?
One knot equals 1.852 kilometers per hour (1 kn = 1.852 km/h).
What is 10 knots in kilometers per hour?
10 kn converts to 18.52 km/h. Enter any other value in the converter above to see it recalculated instantly.
How do I convert kilometers per hour back to knots?
Reverse the calculation: one kilometer per hour equals 0.539957 knots. You can also swap the units in the converter or open the kmh to knots page.
Related speed conversions
Need a different pair? Open the full speed converter to choose any two units.