# 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 ($Hz$), which is equal to $1/s$.

## Common Frequencies

Item | Frequency |
---|---|

Computer processor internal clock | $3GHz$ |

Human heartbeat | $1Hz$ |

## Broader Topics Related to Frequency and Hertz (Hz)

### International System of Units (SI)

Formal terms and definitions of the metric system