Convert Knot to Kilometer per hour
Convert Knot to Kilometer per hour instantly. 1 kn = 1.851998 km/h. Formula, worked examples and a quick reference table.
Last updated
One knot equals 1.851998 kilometer per hour. To convert any number of knots to kilometer per hours, multiply by 1.8519984.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Knot to Kilometer per hour formula
To go the other way, use knot = kilometer per hour ÷ 1.8519984.
About these units
One knot is one nautical mile per hour. The name comes from the knotted rope once trailed behind a ship to measure its speed.
Knot to Kilometer per hour conversion table
| Knot | Kilometer per hour |
|---|---|
| 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 | 92.5999 km/h |
| 100 kn | 185.1998 km/h |
| 250 kn | 462.9996 km/h |
| 500 kn | 925.9992 km/h |
| 1,000 kn | 1,851.9984 km/h |
Frequently asked questions
How many kilometer per hours are in a knot? +
There are 1.851998 kilometer per hours in one knot.
What is 10 kn in km/h? +
10 kn equals 18.52 km/h. Multiply 10 by 1.8519984.
How do I convert kilometer per hour back to knot? +
Use knot = kilometer per hour ÷ 1.8519984. The converter above handles both directions, or see our dedicated Kilometer per hour to Knot page.