Convert kilometers per hour to meters per second
1 km/h = 0.27777778 m/s. Change the amount below, or read the formula and the reference table further down.
1 kilometer per hour equals
meters per second
1 km/h = 0.27777778 m/s
The formula
Kilometers per hour and meters per second both measure speed from the same zero, so a single multiplier does the job.
m/s = km/h × 0.2777777778
Going the other way? Convert meters per second to kilometers per hour.
Kilometers per hour to meters per second table
Common values, rounded for reading.
| Kilometers per hour (km/h) | Meters per second (m/s) |
|---|---|
| 1 | 0.277778 |
| 2 | 0.555556 |
| 3 | 0.833333 |
| 4 | 1.1111 |
| 5 | 1.3889 |
| 6 | 1.6667 |
| 7 | 1.9444 |
| 8 | 2.2222 |
| 9 | 2.5 |
| 10 | 2.7778 |
| 15 | 4.1667 |
| 20 | 5.5556 |
| 25 | 6.9444 |
| 30 | 8.3333 |
| 40 | 11.1111 |
| 50 | 13.8889 |
| 75 | 20.8333 |
| 100 | 27.7778 |
| 250 | 69.4444 |
| 500 | 138.89 |
| 1,000 | 277.78 |
Questions people ask
- How many meters per second are in a kilometer per hour?
- One kilometer per hour equals 0.2777777778 meters per second.
- How do I convert kilometers per hour to meters per second by hand?
- Multiply the number of kilometers per hour by 0.2777777778. For a rough check, 0.278 is close enough for most everyday use.
- What is 1 kilometer per hour in meters per second?
- 1 kilometer per hour is 0.27777778 meters per second.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.