What is kilometre per hour?

Kilometre per hour is a unit of speed equal to one kilometre travelled in one hour. It is the most widely used unit for road speed limits, vehicle speedometers, and wind speeds in metric countries.

What is metre per second?

Metre per second is the SI unit of speed. It is used in physics, engineering, and scientific contexts to express velocity, and serves as the reference unit for all speed calculations in this converter.

Worked examples

1 kilometre per hour = 0.27777778 metre per second

1 metre per second = 1 metre per second

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).