Meter per Second to Kilometer per Hour
1 m/s = 3.6 km/h
How to convert meter per second to kilometer per hour
Enter the value in meter per second (m/s) above and the equivalent in kilometer per hour (km/h) updates as you type. This conversion comes up when driving abroad: speed limit signs in a unit your speedometer does not show prominently.
- A common highway limit: 100 km/h is about 62 mph → that is 27.777778 m/s in meter per second.
- City limit: 30 km/h is about 19 mph → that is 8.333333 m/s in meter per second.
- A brisk run: 5 m/s is 18 km/h, or about 11 mph → that is 18 km/h in kilometer per hour.
Typical situations: understanding running paces quoted in minutes per mile vs per km; comparing internet speeds (Mbps) with download times people quote in MB/s; interpreting wind speeds in weather forecasts across systems.
You can also convert in the other direction: Kilometer per Hour to Meter per Second
Meter per Second to Kilometer per Hour conversion table
| Meter per Second (m/s) | Kilometer per Hour (km/h) |
|---|---|
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 25 | 90 |
| 50 | 180 |
| 100 | 360 |
Watch out for
- UK road signs are in mph while fuel is sold in liters; mixed system
- Confusing km/h with mph in a 30-vs-50 context nearly doubles or halves the real speed
Frequently asked questions
How many kilometers per hour is 1 meter per second?
1 meter per second = 3.6 kilometers per hour.
What is the formula to convert meter per second to kilometers per hour?
The formula is: km/h = m/s × 3.6.
What is 10 meters per second in kilometers per hour?
10 meters per second = 36 kilometers per hour.