Revolutions per hour is the number of turns in one hour. It is a unit of rotational speed. It is also used in frequency of rotation around a fixed axis.
| Standard Units | |
|---|---|
| Cycle/second | {{cyclepersecond}} | 
| Degree/hour | {{degreeperhour}} | 
| Degree/minute | {{degreeperminute}} | 
| Degree/second | {{degreepersecond}} | 
| Gigahertz | {{gigahertz}} | 
| Hertz | {{hertz}} | 
| Kilohertz | {{kilohertz}} | 
| Megahertz | {{megahertz}} | 
| Millihertz | {{millihertz}} | 
| Radian/hour | {{radianperhour}} | 
| Radian/minute | {{radianperminute}} | 
| Radian/second | {{radianpersecond}} | 
| Revolution/minute | {{revolutionperminute}} | 
| Revolution/second | {{revolutionpersecond}} | 
| RPM | {{rpm}} | 
| Terrahertz | {{terrahertz}} |