Frequency is the number of occurrences of a repeating event per unit time.
Characteristic |
Description |
Dimension (SI) |
T-1 |
Common symbol(s) |
f, v |
Table 1: Quantity brief
Unit name |
Symbol |
Conversion to base unit |
Relation to SI units |
|
SI |
Gigahertz |
See SI prefixes |
||
SI |
Megahertz |
|||
SI |
Kilohertz |
|||
SI |
Hertz |
Hz |
* 1 |
|
SI |
Rotations per minute(1) |
RPM |
* 60 |
|
Table 2: Supported units Basis units for a unit system are printed in boldface.
The frequency quantity is defined as the number of cycles per second of a periodic phenomenon.
Ad (1): Rotational frequency (e.g. of a machine) is usually not expressed in Hertz but in rotations per minute (RPM). RPM is not a SI unit but is used widely and therefore supported by the Application Server.
