Convert GHz to Hz
Gigahertz to hertz. Enter a value to convert, or use the GHz to Hz chart further down the page.
1 gigahertz equals 1,000,000,000 hertz. Going the other way, 1 hertz = 1e-9 gigahertz.
How to convert GHz to Hz
To convert gigahertz to hertz, multiply the gigahertz value by 1000000000. You can also divide by 1e-9 to get the same answer.
Hz = GHz × 1000000000
Worked example
Convert 15 GHz to hertz:
15 GHz = 15,000,000,000 Hz
GHz to Hz conversion chart
Use this GHz to Hz table for quick reference without typing anything.
| gigahertz (GHz) | hertz (Hz) |
|---|---|
| 0.01 GHz | 10,000,000 Hz |
| 0.1 GHz | 100,000,000 Hz |
| 1 GHz | 1,000,000,000 Hz |
| 2 GHz | 2,000,000,000 Hz |
| 3 GHz | 3,000,000,000 Hz |
| 5 GHz | 5,000,000,000 Hz |
| 10 GHz | 10,000,000,000 Hz |
| 20 GHz | 20,000,000,000 Hz |
| 50 GHz | 50,000,000,000 Hz |
| 100 GHz | 100,000,000,000 Hz |
| 1,000 GHz | 1,000,000,000,000 Hz |
What is a gigahertz?
A gigahertz is one billion cycles per second — the unit used for CPU clock speeds and Wi-Fi bands.
What is a hertz?
The hertz is the SI unit of frequency: one cycle per second.
Frequently asked questions
How many Hz are in a gigahertz?
1 GHz equals 1,000,000,000 Hz. Going the other way, 1 Hz is 1e-9 GHz.
How do you convert GHz to Hz?
To convert gigahertz to hertz, multiply the gigahertz value by 1000000000. You can also divide by 1e-9 to get the same answer.
What is 10 GHz in Hz?
10 GHz equals 10,000,000,000 Hz. The conversion chart on this page lists the other values people look up most often.
Related frequency conversions
Convert GHz to other units
Convert other units to Hz
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