What is a Hertz (Hz)?

A hertz (Hz) is the SI unit of frequency, equal to one cycle per second.

Definition

Symbol

Hz

Category

Frequency

System

SI

1 {unit} = {value} {otherUnit}

1 Hertz = 0.001 Kilohertz (kHz)

1 Hertz = 0.000001 Megahertz (MHz)

1 Hertz = 1e-9 Gigahertz (GHz)

1 Hertz = 60 RPM (rpm)

Common Uses

  • Sound frequency
  • AC power frequency
  • CPU clock speed

Hertz Conversions

Related Units