How to convert kilometers per hour to meters per second
Kilometers per Hour and Meters per Second both measure speed, so converting is a single multiplication. One km/h equals 0.277778 m/s, so you multiply your kilometers per hour value by 0.277778.
Formula: meters per second = kilometers per hour × 0.277778. For example, 10 km/h = 2.77778 m/s.
Kilometers per Hour to Meters per Second conversion table
| Kilometers per Hour (km/h) | Meters per Second (m/s) |
|---|---|
| 1 | 0.277778 |
| 2 | 0.555556 |
| 5 | 1.38889 |
| 10 | 2.77778 |
| 25 | 6.94445 |
| 50 | 13.8889 |
| 100 | 27.7778 |
| 1,000 | 277.778 |
Kilometers per Hour and Meters per Second explained
Kilometers per Hour (km/h): The metric speed unit for vehicles in most of the world.
Meters per Second (m/s): The SI unit of speed, the distance in metres covered each second.
When you'd convert kilometers per hour to meters per second
You'll convert kilometers per hour to meters per second whenever a measurement is given in one unit but you need it in the other — comparing kilometers per hour and meters per second figures across regions, following a recipe or spec, or double-checking a number. Because 1 km/h is exactly 0.277778 m/s, the result is precise every time.
Frequently asked questions
How many meters per second are in a kilometers per hour?
One km/h equals 0.277778 m/s. Multiply your kilometers per hour figure by 0.277778 to get meters per second.
What is the formula to convert kilometers per hour to meters per second?
meters per second = kilometers per hour × 0.277778. The factor 0.277778 is exact.
What is 2 kilometers per hour in meters per second?
2 km/h = 0.555556 m/s. You can enter any value in the converter above to get an instant result.
Is this Kilometers per Hour to Meters per Second converter accurate?
Yes. It uses the standard conversion factor (1 km/h = 0.277778 m/s) defined by BIPM — SI Brochure (derived units), so results are exact to several decimal places.