A kilometer per hour is a traditional metric unit of speed and velocity. It shows the distance (amount of kilometers) traveled for a time period of one hour. It is the most regularly used unit of speed in speedometers, traffic signs, etc. One kilometer per hour is equivalent to 5/18 meter per second, 0.62137119 miles per hour or 0.91134442 feet per second. You can convert Kilometers per Hour to other units here by enter amount of if into green input below. You can also check some basic conversions in Kilometers per Hour Conversion Table.