This online calculator instantly converts speed values from knots (kn) to kilometers per hour (km/h). These units are commonly used in navigation, aviation, and general transportation.
Knots (kn) to Kilometers per Hour (km/h) Converter
Enter a value in knots and press the button
Knots (kn)
Result in Kilometers per Hour (km/h)
How to Use This Calculator
- Enter the speed value in knots (kn) into the input field.
- Specify the desired number of decimal places for the result.
- Click the Convert button to perform the calculation.
- The result in kilometers per hour (km/h) will appear immediately in the output field.
- Click the Copy Result button to copy the output directly to your clipboard.
- Use the Clear All button to reset all fields and start a new calculation.
Measurement Units Explained
Knots (kn) – A knot is a unit of speed measurement commonly used in maritime and aviation contexts. One knot (abbreviation: kn) equals exactly one nautical mile per hour. This unit belongs to a non-SI measurement system but is accepted for use alongside the International System of Units. Precisely, 1 knot is equal to 1.852 kilometers per hour.
Kilometers per Hour (km/h) – The kilometer per hour (abbreviation: km/h) is an SI-derived unit of speed, expressing the distance traveled in kilometers within one hour. It is widely used globally for road transport and is the official speed measurement unit in most countries adhering to the metric system.
Conversion Formula
To convert knots (kn) to kilometers per hour (km/h), use the formula:
km/h = knots × 1.852
Source: NIST
Conversion Table
| Knots (kn) | Kilometers per hour (km/h) |
|---|---|
| 1 | 1.852 |
| 5 | 9.26 |
| 10 | 18.52 |
| 15 | 27.78 |
| 20 | 37.04 |
| 30 | 55.56 |
| 50 | 92.6 |
| 70 | 129.64 |
| 100 | 185.2 |
| 200 | 370.4 |
Real World Examples
- Average cruising speed of a commercial airliner: 460 kn = 851.92 km/h
- Typical speed of a cargo ship: 20 kn = 37.04 km/h
- Max speed of a standard ferry: 30 kn = 55.56 km/h
- Speed of an average sailing yacht: 8 kn = 14.82 km/h
- Speed of a hurricane classified as Category 1: 64 kn = 118.53 km/h
- Speed of high-speed passenger ferry (e.g., HSC Francisco): 58 kn = 107.42 km/h
- Typical wind speed in a moderate breeze: 15 kn = 27.78 km/h
- Cruising speed of a private jet (Gulfstream G650): 516 kn = 955.63 km/h
- Speed of a Navy destroyer (e.g., Arleigh Burke-class): 31 kn = 57.41 km/h
- Typical cruising speed of a small fishing boat: 12 kn = 22.22 km/h
What’s your scenario for using this tool? Do you need additional features? Let us know in the comments!
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