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more free magazines       Glossary » Units » Velocity » Kilometer Per Hour Kilometer Per Hour (km/h) is a unit in the category of Velocity. It is also known as kilometer/hour, kilometre/hour, kilometers per hour, kilometre per hour, kilometres per hour, km/hr. Kilometer Per Hour (km/h) has a dimension of LT-1 where L is length, and T is time. It can be converted to the corresponding standard SI unit m/s by multiplying its value by a factor of 0.277777777778.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).

Other units in the category of Velocity include Benz (Bz), Centimeter Per Minute (cm/min), Centimeter Per Second (cm/s), Foot Per Hour (ft/h, fph), Foot Per Minute (ft/min, fpm), Foot Per Second (ft/s, fps), Furlong Per Fortnight (furlong/fortnight), Inch Per Second (in/s, ips), Knot (noeud) (kn, knot), Kyne (cm/s), Meter Per Minute (m/min), Meter Per Second (m/s), Mil Per Year (mpy), Mile (naut.) Per Hour (knot, Noeud) (knot), Mile (stat.) Per Hour (mph, mi/h), Mile (stat.) Per Minute (mi/min), Millimeter Per Minute (mm/min), Millimeter Per Second (mm/s), and Speed of Light.   