The short answer
- 1 kn = 1.852 km/h
- 1 km/h ≈ 0.5399568 kn
Worked example20 kn × 1.852 = 37.04 km/h
UNIT CONVERSION
← Speed converterKnots to kilometres per hour
To convert knots to kilometres per hour, multiply the number of knots by 1.852.
What the units mean
Knot. A knot is one nautical mile per hour. The nautical mile is exactly 1,852 metres; knots are used at sea and in aviation.
Kilometre per hour. Kilometres per hour. 1 km/h is exactly 1/3.6 metres per second.
Knots to kilometres per hour table
| Knots (kn) | Kilometres per hour (km/h) |
|---|---|
| 0.5 | 0.926 |
| 1 | 1.852 |
| 2 | 3.704 |
| 3 | 5.556 |
| 4 | 7.408 |
| 5 | 9.26 |
| 6 | 11.112 |
| 7 | 12.964 |
| 8 | 14.816 |
| 9 | 16.668 |
| 10 | 18.52 |
| 12 | 22.224 |
| 15 | 27.78 |
| 20 | 37.04 |
| 25 | 46.3 |
| 30 | 55.56 |
| 40 | 74.08 |
| 50 | 92.6 |
| 60 | 111.12 |
| 70 | 129.64 |
| 75 | 138.9 |
| 80 | 148.16 |
| 90 | 166.68 |
| 100 | 185.2 |
| 150 | 277.8 |
| 200 | 370.4 |
| 250 | 463 |
| 500 | 926 |
| 1,000 | 1,852 |
Values are rounded to 7 significant figures.
Common questions
How do I convert knots to kilometres per hour?
Multiply the number of knots by 1.852. For example, 20 kn × 1.852 = 37.04 km/h.
How many kilometres per hour are in one knot?
One knot is exactly 1.852 kilometres per hour.
Is this conversion exact?
Yes. Both units have exact legal definitions, so the factor is exact. Values on this page are rounded to 7 significant figures.