What is a kilometers per hour?

Definition

km/h

Kilometers per hour (km/h) is the standard speed unit used in most countries for road speed limits and vehicle speed.

Unit system

Metric

Convert kilometers per hour

Km/h → Mph Mph → Km/h Meters per Second → Km/h Km/h → Meters per Second Knots → Km/h Km/h → Knots Km/h → Feet per Second Km/h → Mach

All speed units

Unit	Symbol	System
meters per second	m/s	Metric
kilometers per hour	km/h	Metric
miles per hour	mph	Imperial / US
feet per second	ft/s	Imperial / US
knots	kn	Nautical & Aviation
mach	Ma	Scientific