What is a gigahertz?

Definition

GHz

The gigahertz (GHz) equals 1,000,000,000 hertz, used for CPU speeds, Wi-Fi, and microwave frequencies.

Unit system

SI

Convert gigahertz

Hertz → Gigahertz Kilohertz → Gigahertz Megahertz → Gigahertz Gigahertz → Hertz Gigahertz → Kilohertz Gigahertz → Megahertz Gigahertz → Terahertz Gigahertz → RPM

All frequency units

Unit	Symbol	System
hertz	Hz	SI
kilohertz	kHz	SI
megahertz	MHz	SI
gigahertz	GHz	SI
terahertz	THz	SI
RPM	rpm	Mechanical
revolutions/second	rps	Mechanical
radians/second	rad/s	Scientific