Meter per Second to Kilometer per Hour Converter
Quickly and accurately convert speed measurements from meters per second to kilometers per hour with our free online m/s to km/h Converter. Perfect for science, engineering, sports, and more.
Common Conversions
| Meters per Second (m/s) | Kilometers per Hour (km/h) |
|---|---|
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.2 km/h |
| 5 m/s | 18 km/h |
| 10 m/s | 36 km/h |
| 15 m/s | 54 km/h |
| 20 m/s | 72 km/h |
| 25 m/s | 90 km/h |
| 30 m/s | 108 km/h |
| 100 m/s | 360 km/h |
How It Works
Converting from meters per second (m/s) to kilometers per hour (km/h) is a common speed conversion, especially in scientific, engineering, and sports contexts. Both units are in the metric system but are used in different applications.
Conversion Formula:
1 meter per second = 3.6 kilometers per hour
To convert meters per second to kilometers per hour, multiply the meters per second value by 3.6:
Kilometers per Hour = Meters per Second × 3.6
Why is the factor 3.6?
The conversion factor 3.6 comes from:
- 1 m/s = 1 meter per second
- 1 km = 1000 meters
- 1 hour = 3600 seconds
So, 1 m/s = (1 × 3600) / 1000 = 3.6 km/h
Example Calculation:
To convert 25 meters per second to kilometers per hour:
Kilometers per Hour = 25 m/s × 3.6 = 90 km/h
Our converter handles this calculation automatically and provides results with up to 9 decimal places for precision. It also formats the result to remove unnecessary trailing zeros for better readability.
Frequently Asked Questions
What is a meter per second?
A meter per second (m/s) is the SI (International System of Units) unit of speed, representing the distance in meters traveled in one second. It’s commonly used in scientific contexts, physics calculations, and for measuring wind speeds in meteorology.
What is a kilometer per hour?
A kilometer per hour (km/h or kph) is a unit of speed in the metric system, representing the number of kilometers traveled in one hour. It’s the standard unit of speed in most countries around the world, used for vehicle speed limits, weather reports (wind speed), and sports.
Why would I need to convert meters per second to kilometers per hour?
This conversion is commonly needed when translating scientific or technical measurements into everyday terms. For example, wind speeds in weather forecasts are often measured in m/s but reported in km/h for public understanding. Athletes might measure performance in m/s but need to convert to km/h to compare with standard benchmarks.
How accurate is this converter?
Our converter uses the exact conversion factor of 3.6 kilometers per hour per meter per second, which is mathematically precise. The calculator can display results with up to 9 decimal places for high precision needs, though most practical applications don’t require this level of precision.
What are some common speed benchmarks in both m/s and km/h?
- Average walking speed: 1.4 m/s (5 km/h)
- Average running speed: 2.2-3.3 m/s (8-12 km/h)
- Typical cycling speed: 5.5-8.3 m/s (20-30 km/h)
- Highway speed limit in many countries: 27.8 m/s (100 km/h)
- Speed of sound in air at sea level: 343 m/s (1,235 km/h)
How do I convert kilometers per hour back to meters per second?
To convert from kilometers per hour to meters per second, divide the kilometers per hour value by 3.6 (or multiply by 0.2778). Alternatively, you can use our Kilometer per Hour to Meter per Second Converter for quick and accurate conversions.