To convert kilometers per hour (km/h) to meters per second (m/s), you can use the following conversion factor:
1 km/h = 0.27778 m/s
To convert 1 km/h to m/s, you simply multiply 1 by the conversion factor:
1 km/h * 0.27778 m/s = 0.27778 m/s
Therefore, 1 km/h is equal to approximately 0.27778 m/s.