Kilometers per hour to meters per second table
| kilometers per hour (km/h) | meters per second (m/s) |
|---|---|
| 1 km/h | 0.277778 m/s |
| 2 km/h | 0.555556 m/s |
| 3 km/h | 0.833333 m/s |
| 4 km/h | 1.11111 m/s |
| 5 km/h | 1.38889 m/s |
| 10 km/h | 2.77778 m/s |
| 20 km/h | 5.55556 m/s |
| 25 km/h | 6.94444 m/s |
| 50 km/h | 13.8889 m/s |
| 75 km/h | 20.8333 m/s |
| 100 km/h | 27.7778 m/s |
1 km/h in other units
| meters per second (m/s) | 0.277778 |
|---|---|
| miles per hour (mph) | 0.621371 |
| feet per second (ft/s) | 0.911344 |
| knots | 0.539957 |
How the value is converted
1 km/h × 0.2777777778 = 0.2777777778 m/s
Speed compares distance per elapsed time. Mach is not included because the local speed of sound depends on the medium and conditions.
The first answer is rounded to two decimal places for results of 1 or more, or three significant digits below 1; the exact figure keeps 10 significant digits. Why rounding early changes the answer.