About kilometre per hour

1 kilometre per hour = 0.00027778 kilometre per second

About kilometre per second

1 km/s = 1000 m/s

More Speed conversions

• Convert kilometre per hour to metre per second
• Convert kilometre per hour to mile per hour
• Convert kilometre per hour to knot
• Convert kilometre per hour to foot per second
• Convert kilometre per hour to metre per minute
• Convert kilometre per hour to kilometre per second
• Convert kilometre per hour to mach (approx at sea level)
• Convert kilometre per hour to centimetre per second
• Convert kilometre per hour to mile per minute

Assumption: Mach uses an approximate sea-level reference (about 340.29 m/s).