Convert kilometers per hour to meters per second 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.
m/s = km/h × 0.277778
Example: 1 km/h × 0.277778 = 0.277778 m/s
Use mph for US/UK; km/h for international contexts.
Common uses: driving, athletics, and vehicle performance.
How do I convert km/h to m/s?
Multiply the value in Kilometers per hour by 0.277778. For example: 10 km/h = 2.7778 m/s.
When should I use Meters per second instead of Kilometers per hour?
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.
| Kilometers per hour (km/h) | Meters per second (m/s) |
|---|---|
| 10 km/h | 2.7778 m/s |
| 20 km/h | 5.5556 m/s |
| 30 km/h | 8.3333 m/s |
| 50 km/h | 13.8889 m/s |
| 60 km/h | 16.6667 m/s |
| 80 km/h | 22.2222 m/s |
| 100 km/h | 27.7778 m/s |
| 120 km/h | 33.3334 m/s |
| 150 km/h | 41.6667 m/s |
| 200 km/h | 55.5556 m/s |