Convert Meters per Second to Kilometers per Hour
m/s to km/h · speed conversion
What are meters per second and kilometers per hour?
Meters per second is the SI unit of speed, used in physics and science. Kilometers per hour is the standard metric unit for vehicle speed in most countries. For reference: a brisk walk is about 5 km/h (3 mph), and highway speed is around 100 km/h (62 mph).
How to convert meters per second to kilometers per hour
1 m/s = 3.6 km/h. To convert, multiply the number of meters per second by 3.6. For example, 5 m/s = 18 km/h, and 20 m/s = 71.9999 km/h. To go the other way, multiply kilometers per hour by 0.277778 (since 1 km/h = 0.277778 m/s).
Meters per Second to Kilometers per Hour conversion table
| Meters per Second (m/s) | Kilometers per Hour (km/h) |
|---|---|
| 1 | 3.6 |
| 5 | 18 |
| 10 | 36 |
| 30 | 108 |
| 60 | 216 |
| 100 | 360 |
| 120 | 432 |
FAQ
What is 1 m/s in km/h?
1 m/s = 3.6 km/h. To convert any amount, multiply the number of meters per second by 3.6.
How do I convert kilometers per hour back to meters per second?
Go the other way: 1 km/h = 0.277778 m/s, so multiply kilometers per hour by 0.277778 to get meters per second.
Is a meters per second bigger than a kilometers per hour?
Yes — 1 m/s is the larger unit, equal to 3.6 km/h.
Are these speed conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.