Knots to km/h Converter
Multiply knots by 1.852 to get kilometers per hour.
10 kn = 18.52 km/h
Formula
1 kn = 1.852 km/h
kilometers per hour = knots × 1.852
Worked example
Convert 20 knots to kilometers per hour
- Multiply by 1.852
- 20 × 1.852 = 37.04
20 kn = 37.04 km/h
Good to know
A knot is one nautical mile per hour, and a nautical mile is exactly 1,852 m. So 20 kn is 37.04 km/h (about 23 mph). Airliners cruise at roughly 450–500 kn true airspeed; a sailing dinghy might manage 5–10 kn.
Conversion table
| Knots (kn) | Kilometers per hour (km/h) |
|---|---|
| 1 | 1.852 |
| 5 | 9.26 |
| 10 | 18.52 |
| 15 | 27.78 |
| 20 | 37.04 |
| 25 | 46.3 |
| 30 | 55.56 |
| 50 | 92.6 |
| 100 | 185.2 |
| 250 | 463 |
| 500 | 926 |
About these units
- Knot (kn)
- One nautical mile per hour: exactly 1.852 km/h. Used at sea and in aviation.
- Kilometer per hour (km/h)
- The usual unit for road speeds outside the US and UK.