Kilometer per hour to Knot Converter
1 km/h = 0.539957 kn — convert instantly with formula and table.
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Quick answer: one kilometer per hour equals 0.539957 knots. So to convert kilometers per hour to knots, multiply by 0.5399568.
How to convert kilometers per hour to knots
knots = kilometers per hour × 0.5399568035
Kilometers per hour is the road-speed unit of most of the world; 100 km/h is the classic highway limit, equal to about 62 mph.
The knot — one nautical mile per hour — is the speed unit of ships, aircraft and wind. It ties neatly to navigation because one nautical mile is one minute of latitude.
Kilometer per hour to Knot conversion table
| Kilometer per hour (km/h) | Knot (kn) |
|---|---|
| 0.01 km/h | 0.0054 kn |
| 0.1 km/h | 0.053996 kn |
| 0.25 km/h | 0.134989 kn |
| 0.4 km/h | 0.215983 kn |
| 0.75 km/h | 0.404968 kn |
| 1.25 km/h | 0.674946 kn |
| 1.75 km/h | 0.944924 kn |
| 2.5 km/h | 1.3499 kn |
| 3.5 km/h | 1.8898 kn |
| 4.5 km/h | 2.4298 kn |
| 6 km/h | 3.2397 kn |
| 8 km/h | 4.3197 kn |
| 10 km/h | 5.3996 kn |
| 12 km/h | 6.4795 kn |
| 14 km/h | 7.5594 kn |
| 16 km/h | 8.6393 kn |
| 18 km/h | 9.7192 kn |
| 20 km/h | 10.7991 kn |
| 24 km/h | 12.959 kn |
| 26 km/h | 14.0389 kn |
| 30 km/h | 16.1987 kn |
| 35 km/h | 18.8985 kn |
| 45 km/h | 24.2981 kn |
| 55 km/h | 29.6976 kn |
| 65 km/h | 35.0972 kn |
| 75 km/h | 40.4968 kn |
| 85 km/h | 45.8963 kn |
| 95 km/h | 51.2959 kn |
| 110 km/h | 59.3952 kn |
| 125 km/h | 67.4946 kn |
| 175 km/h | 94.4924 kn |
| 250 km/h | 134.9892 kn |
| 350 km/h | 188.9849 kn |
| 450 km/h | 242.9806 kn |
| 600 km/h | 323.9741 kn |
| 750 km/h | 404.9676 kn |
| 900 km/h | 485.9611 kn |
| 1,500 km/h | 809.9352 kn |
| 2,500 km/h | 1,349.89 kn |
| 10,000 km/h | 5,399.57 kn |
Need the opposite direction? Use the Knot to Kilometer per hour converter, or read our complete guide to speed conversions for every formula in one place.
Frequently asked questions
How many knots are in one kilometer per hour?
One kilometer per hour equals 0.539957 knots. Multiply any kilometer per hour value by 0.5399568 to get knots.
What is 10 kilometers per hour in knots?
10 kilometers per hour equal 5.3996 knots (10 × 0.539957).
Is the kilometer per hour to knot conversion exact?
The conversion factor used here (0.5399568035) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.