This category of measurement units is defined by the "frequency" type, which is an SI derived quantity.
The SI derived unit for frequency is the hertz.
The hertz (symbol Hz) is the SI unit of frequency. It is named in honour of the German physicist Heinrich Rudolf Hertz who made some important contributions to science in the field of electromagnetism.
cycle/second
degree/hour
degree/minute
degree/second
gigahertz
hertz
kilohertz
megahertz
millihertz
radian/hour
radian/minute
radian/second
revolution/hour
revolution/minute
revolution/second
RPM
terahertz