Knots to Kilometres per hour
Convert knots to kilometres per hour instantly.
Knots to Kilometres per hour (kn to km/h) Converter
1 knot = 1.852 kilometres per hour
Default is 5 significant figures. “Search units as” decides what words like gallon, pint or cup mean when you type them. Shortcuts: Alt+S swap · Alt+C copy · Alt+L link · / search
- 1 kn = 1.852 km/h
- 5 kn = 9.26 km/h
- 10 kn = 18.52 km/h
- 25 kn = 46.3 km/h
- Kilometres per hourkm/h
- Miles per hourmph
- Knotskn
- Kilometres per hourkm/h
- Miles per hourmph
How it’s calculated
km/h = kn × 1.852
- Multiply the value in knots by 1.852.
- To go back, divide by 1.852 (or multiply by 0.5399568035).
- 1 kn = 1.852 km/h · 1 km/h = 0.5399568035 kn
Quick examples
1 knot = 1.852 kilometres per hour · 1 km/h = 0.53996 kn
- 1 knot = 1.852 kilometres per hour
- 5 knots = 9.26 kilometres per hour
- 10 knots = 18.52 kilometres per hour
- 25 knots = 46.3 kilometres per hour
- 100 knots = 185.2 kilometres per hour
Knots to kilometres per hour conversion table
| Knots (kn) | Kilometres per hour (km/h) |
|---|---|
| 0.1 kn | 0.1852 km/h |
| 0.5 kn | 0.926 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 these units
Knot (kn)
other
1 kn ≈ 0.51444444 m/s
One nautical mile per hour, about 0.5144 m/s. Used at sea and in aviation.
Source: NIST SP 811 / Handbook 44
Kilometre per hour (km/h)
metric (non-SI)
1 km/h ≈ 0.27777778 m/s
Source: BIPM SI Brochure (9th ed.) (SI prefixes and accepted units)
Frequently asked questions
How do I convert knots to kilometres per hour?
Use km/h = kn × 1.852. Multiply the value in knots by 1.852.
How many kilometres per hour are in 1 knot?
1 knot (kn) equals 1.852 kilometres per hour (km/h).
How many knots are in 1 kilometre per hour?
1 kilometre per hour (km/h) equals 0.53996 knots (kn); more precisely 0.5399568035.
What is 10 kn in km/h?
10 knots = 18.52 kilometres per hour.
What is a knot?
One nautical mile per hour, about 0.5144 m/s. Used at sea and in aviation.
Related conversions
Formula: km/h = kn × 1.852. Factors last reviewed 2026-10-27.