Convert knots to kilometres per hour
Enter a value in knots (kn) to get kilometres per hour (km/h). One knot is 1.852 kilometres per hour; one kilometre per hour is 0.539957 knots.
How to use the Knot to kilometre per hour
- Type the number of knots.
- Click Convert.
- Read the result in kilometres per hour, plus the same value in every other speed unit.
kn to km/h formula
kilometres per hour = knots × 1.852. To go the other way, knots = kilometres per hour × 0.539957 (see kilometres per hour to knots).
Worked example
12 kn × 1.852 = 22.224 km/h.
Knots to kilometres per hour conversion table
| Knots | Kilometres per hour |
|---|---|
| 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 |
| 5 kn | 9.26 km/h |
| 10 kn | 18.52 km/h |
| 20 kn | 37.04 km/h |
| 25 kn | 46.3 km/h |
| 50 kn | 92.6 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 knot
One nautical mile per hour, about 1.852 km/h. Ships, aircraft and wind at sea.
About the kilometre per hour
Road speed limits in most countries.
Related conversions
kilometres per hour to knots · knots to miles per hour · any unit.
Frequently asked questions
How many kilometres per hour in a knot?
1.852 kilometres per hour.
How many knots in a kilometre per hour?
0.539957 knots.
Is the factor exact?
The factor 1.852 is derived from the units' exact definitions; only the display is rounded.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.