Kilometers per Hour to Kilometers per Second Converter
CommonMeters per second, km/h, mph and more.
How to convert Kilometers per Hour to Kilometers per Second
Multiply the kilometers per hour value by 0.000277778: 1 km/h = 0.000277778 km/s. Going the other way, 1 km/s = 3,600 km/h, so divide by 0.000277778 or use the Kilometers per Second to Kilometers per Hour converter.
About these units
Kilometers per Hour (km/h)
Kilometers per hour is the road-speed unit in most countries. 100 km/h is about 62 mph, or 27.8 meters per second.
Kilometers per Hour to Kilometers per Second conversion table
| Kilometers per Hour (km/h) | Kilometers per Second (km/s) |
|---|---|
| 1 km/h | 0.000277778 km/s |
| 2 km/h | 0.000555556 km/s |
| 3 km/h | 0.000833334 km/s |
| 4 km/h | 0.00111111 km/s |
| 5 km/h | 0.00138889 km/s |
| 10 km/h | 0.00277778 km/s |
| 20 km/h | 0.00555556 km/s |
| 25 km/h | 0.00694445 km/s |
| 50 km/h | 0.0138889 km/s |
| 100 km/h | 0.0277778 km/s |
| 500 km/h | 0.138889 km/s |
| 1,000 km/h | 0.277778 km/s |
More kilometers per hour conversions
- Kilometers per Hour to Meters per Second1 km/h = 0.277778 m/s
- Kilometers per Hour to Miles per Hour1 km/h = 0.621372 mph
- Kilometers per Hour to Feet per Second1 km/h = 0.911345 ft/s
- Kilometers per Hour to Knots1 km/h = 0.539958 kn
- Kilometers per Hour to Speed of Light1 km/h = 9.2657e-10 c
- Kilometers per Hour to Centimeters per Second1 km/h = 27.7778 cm/s
See every unit on the Speed Converter.