How to Convert Gigahertz to Hertz. 1 GHz = 1000000000 Hz. 1 Hz = 1.0E-9 GHz. Example: convert 15 GHz to Hz: 15 GHz = 15 × 1000000000 Hz = 15000000000 Hz. Convert Gigahertz to Other Frequency Wavelength Units. Gigahertz to Exahertz. Gigahertz to Petahertz. Gigahertz to Terahertz. Gigahertz to Megahertz. Gigahertz to Kilohertz.
A gigabyte (GB) -- pronounced with two hard Gs -- is a unit of data storage capacity that is roughly equivalent to 1 billion bytes. In decimal notation (base 10), a gigabyte is exactly 1 billion bytes. In binary notation (base 2), a gigabyte is equal to 2 30 bytes, or 1,073,741,824 bytes. Giga comes from a Greek word meaning giant. .