The online calculator converts velocity values from meters per second (m/s) to kilometers per hour (km/h). It is a reliable digital tool based on official SI relationships between length and time units, ensuring precision suitable for scientific, technical, and daily use.
Meters per Second (m/s) to Kilometers per Hour (km/h) Converter
Enter a value in meters per second and press the button to convert it to km/h.
Meters per Second (m/s)
Result in Kilometers per Hour (km/h)
How to Use the Tool
1. Enter a numerical value in the input field for meters per second.
2. Click the “Convert” button to get the equivalent speed in kilometers per hour.
3. The “Copy Result” button copies the final value for reuse elsewhere.
4. Use the “Decimal Places” selector to control result precision from 0 to 10 decimal points.
5. Press “Clear All” to reset all fields and start a new calculation.
Definitions of Measurement Units
Meters per Second (m/s)
Meters per second is the SI (International System of Units) measure of linear velocity. It represents the distance in meters traveled in one second. 1 m/s equals exactly 3.6 km/h or approximately 2.23694 mph (miles per hour) in the Imperial system. Abbreviation: m/s. System: SI (metric).
Kilometers per Hour (km/h)
Kilometers per hour is a metric unit expressing speed in kilometers traveled per hour. It is commonly used in transport and weather reporting. 1 km/h equals exactly 0.277777… m/s or roughly 0.621371 mph. Abbreviation: km/h. System: Metric (SI-derived).
Conversion Formula
Formula: km/h = m/s × 3.6
Official reference: Physics.info – Velocity
Conversion Table
| m/s | km/h |
|---|---|
| 0.1 | 0.36 |
| 0.5 | 1.8 |
| 1 | 3.6 |
| 2 | 7.2 |
| 3 | 10.8 |
| 4 | 14.4 |
| 5 | 18.0 |
| 6 | 21.6 |
| 8 | 28.8 |
| 10 | 36.0 |
| 12 | 43.2 |
| 15 | 54.0 |
| 20 | 72.0 |
| 25 | 90.0 |
| 30 | 108.0 |
| 35 | 126.0 |
| 40 | 144.0 |
| 45 | 162.0 |
| 50 | 180.0 |
| 60 | 216.0 |
Real World Examples
- Average human walking speed — 1.4 m/s (5.04 km/h)
- Usain Bolt’s top sprinting speed — 12.4 m/s (44.64 km/h)
- Typical city cycling speed — 5.5 m/s (19.8 km/h)
- Standard car speed on a highway — 27.8 m/s (100.1 km/h)
- Passenger jet cruising speed — 250 m/s (900 km/h)
- Eurostar train top speed — 83.3 m/s (300 km/h)
- Strong wind gust — 20 m/s (72 km/h)
- Speed of sound at sea level in air — 343 m/s (1234.8 km/h)
- Earth’s rotation at the equator — 463.9 m/s (1670 km/h)
- International Space Station orbital velocity — 7700 m/s (27720 km/h)
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