Convert meters per second to kilometers per hour quickly and accurately using this free online converter
Used for driving speed limits, athletic performance, and vehicle specs.
💡 The US and UK use mph; most countries use km/h for speed limits.
km/h = m/s × 3.6
Example: 1 m/s × 3.6 = 3.6 km/h
Use mph for US/UK; km/h for international contexts.
Common uses: driving, athletics, and vehicle performance.
How do I convert m/s to km/h?
Multiply the value in Meters per second by 3.6. For example: 10 m/s = 36 km/h.
When should I use Kilometers per hour instead of Meters per second?
Use mph for US/UK; km/h for international contexts.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Meters per second (m/s) | Kilometers per hour (km/h) |
|---|---|
| 10 m/s | 36 km/h |
| 20 m/s | 71.9999 km/h |
| 30 m/s | 107.9999 km/h |
| 50 m/s | 179.9999 km/h |
| 60 m/s | 215.9998 km/h |
| 80 m/s | 287.9998 km/h |
| 100 m/s | 359.9997 km/h |
| 120 m/s | 431.9997 km/h |
| 150 m/s | 539.9996 km/h |
| 200 m/s | 719.9994 km/h |