3 ms·Not to be that guy, but kph doesn't look more correct, km/h it's the SI defined unit, or maybe kmph.by IronBacon 7y agoNot to be that guy, but kph doesn't look more correct, km/h it's the SI defined unit, or maybe kmph.esoterica 7y agoThe SI unit is meters per second, not km/h.the8472 7y agopower of ten prefixes are part of the SI