Frequency and Hertz (Hz)
Frequency is the number of times something happens within a unit of time. The SI Unit of measure for frequency is hertz (), which is equal to .
Common Frequencies
| Item | Frequency |
|---|---|
| Computer processor internal clock | |
| Human heartbeat |
Broader Topics Related to Frequency and Hertz (Hz)

International System of Units (SI)
Formal terms and definitions of the metric system