Convert Gigahertz to Hertz
Convert Gigahertz to Hertz instantly. 1 Gigahertz (GHz) equals 1,000,000,000 Hertz (Hz).
Gigahertz to Hertz conversion table
| Gigahertz (GHz) | Hertz (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 |
| 500 GHz | 500,000,000,000 Hz |
| 1,000 GHz | 1,000,000,000,000 Hz |
1 Gigahertz = 1,000,000,000 Hertz · multiply Gigahertz by 1,000,000,000
About converting Gigahertz to Hertz
Gigahertz (GHz) and Hertz (Hz) are both units of frequency, so converting between them is a single multiplication: multiply your Gigahertz figure by 1,000,000,000. Ten Gigahertz comes to 10,000,000,000 Hertz, and a hundred works out at 100,000,000,000 Hertz.
Rule of thumb: going from Gigahertz to Hertz multiplies, so the figure always grows — one Gigahertz is already 1,000,000,000 Hertz. If your answer came out smaller, you have the conversion the wrong way round.
What is a Gigahertz?
The gigahertz is where modern computing and wireless live. Processor clocks arrived in this range and have climbed very little since — chips got faster by adding cores and doing more work per cycle, not by ticking quicker — which is exactly why comparing two processors on gigahertz alone tells you very little. Wi-Fi is the other everyday gigahertz: the 2.4 GHz band travels further and through more walls, the 5 and 6 GHz bands carry more data over shorter distances, and that trade-off falls directly out of the frequency. Mobile networks are quoted the same way.
What is a Hertz?
The hertz is one cycle per second — nothing more. It is named after Heinrich Hertz, who demonstrated experimentally that electromagnetic waves exist, confirming what until then had been theory. The unit itself is younger than it looks: engineers said "cycles per second", abbreviated cps, until hertz was formally adopted in 1960. Its reach is remarkable for so plain a definition. Mains electricity alternates at 50 or 60 Hz, human hearing starts at roughly 20 Hz, and a monitor advertised at 144 Hz is simply redrawing itself 144 times a second. Anything that repeats can be counted in hertz.
To put both in perspective: a laptop processor ticks at a few gigahertz, while a screen refreshing 60 times a second runs at 60 hertz.
The converter above updates as you type, and the table lists common values for quick reference. Need the opposite direction? Use the Hertz to Gigahertz converter, or browse all Frequency converters.
Frequently asked questions
How many Hertz are in one Gigahertz?
There are 1,000,000,000 Hertz in one Gigahertz.
How do I convert Gigahertz to Hertz?
Multiply the number of Gigahertz by 1,000,000,000. For example, 10 Gigahertz = 10,000,000,000 Hertz.
What is 100 Gigahertz in Hertz?
100 Gigahertz is equal to 100,000,000,000 Hertz.
How do I convert Hertz to Gigahertz?
Multiply the Hertz value by 0.000000001 (or divide by 1,000,000,000).
Is this Gigahertz to Hertz conversion exact?
Yes, exactly. Both units are fixed against the same base by definition, and 1 Gigahertz = 1,000,000,000 Hertz is the complete value — nothing is rounded away.
What is a Gigahertz?
The gigahertz is where modern computing and wireless live. Processor clocks arrived in this range and have climbed very little since — chips got faster by adding cores and doing more work per cycle, not by ticking quicker — which is exactly why comparing two processors on gigahertz alone tells you very little. Wi-Fi is the other everyday gigahertz: the 2.4 GHz band travels further and through more walls, the 5 and 6 GHz bands carry more data over shorter distances, and that trade-off falls directly out of the frequency. Mobile networks are quoted the same way.
What is a Hertz?
The hertz is one cycle per second — nothing more. It is named after Heinrich Hertz, who demonstrated experimentally that electromagnetic waves exist, confirming what until then had been theory. The unit itself is younger than it looks: engineers said "cycles per second", abbreviated cps, until hertz was formally adopted in 1960. Its reach is remarkable for so plain a definition. Mains electricity alternates at 50 or 60 Hz, human hearing starts at roughly 20 Hz, and a monitor advertised at 144 Hz is simply redrawing itself 144 times a second. Anything that repeats can be counted in hertz.

