Knots to km/h Converter
1 knot = 1.852 kilometers per hour
Type a value in either box: the conversion between knots (kn) and kilometers per hour (km/h) updates instantly.
Good to know
Airliners cruise at roughly 450–500 knots of true airspeed, about 830–925 km/h. Marine weather forecasts also give wind speeds in knots.
How to convert knots to kilometers per hour
To convert knots to kilometers per hour, multiply the number of knots by 1.852. To go the other way, multiply kilometers per hour by 0.5399568.
km/h = kn × 1.852
Worked examples
- 1 kn = 1.852 km/h
- 10 kn = 18.52 km/h
- 25 kn = 46.3 km/h
- 500 kn = 926 km/h
Knots to km/h conversion table
| Knots (kn) | Km/h (km/h) |
|---|---|
| 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 |
| 6 kn | 11.112 km/h |
| 7 kn | 12.964 km/h |
| 8 kn | 14.816 km/h |
| 9 kn | 16.668 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 |
| 30 kn | 55.56 km/h |
| 40 kn | 74.08 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 |
About the units
Knots (kn)
A knot (kn) is one nautical mile per hour, exactly 1.852 km/h. It is the standard speed unit in aviation and shipping.
Km/h (km/h)
Kilometers per hour (km/h) is the speed unit used on road signs and car speedometers in most of the world.
Frequently asked questions
How do I convert knots to kilometers per hour?
km/h = kn × 1.852What is 10 kn in kilometers per hour?
How many kilometers per hour are in one knot?
How many knots are in one kilometer per hour?
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.