Convert THz to GHz
Terahertz to gigahertz. Enter a value to convert, or use the THz to GHz chart further down the page.
1 terahertz equals 1,000 gigahertz. Going the other way, 1 gigahertz = 0.001 terahertz.
How to convert THz to GHz
To convert terahertz to gigahertz, multiply the terahertz value by 1000. You can also divide by 0.001 to get the same answer.
GHz = THz × 1000
Worked example
Convert 15 THz to gigahertz:
15 THz = 15,000 GHz
THz to GHz conversion chart
Use this THz to GHz table for quick reference without typing anything.
| terahertz (THz) | gigahertz (GHz) |
|---|---|
| 0.01 THz | 10 GHz |
| 0.1 THz | 100 GHz |
| 1 THz | 1,000 GHz |
| 2 THz | 2,000 GHz |
| 3 THz | 3,000 GHz |
| 5 THz | 5,000 GHz |
| 10 THz | 10,000 GHz |
| 20 THz | 20,000 GHz |
| 50 THz | 50,000 GHz |
| 100 THz | 100,000 GHz |
| 1,000 THz | 1,000,000 GHz |
What is a terahertz?
The terahertz (THz) is a unit of frequency equal to 1000000000000 hertzs.
What is a gigahertz?
A gigahertz is one billion cycles per second — the unit used for CPU clock speeds and Wi-Fi bands.
Frequently asked questions
How many GHz are in a terahertz?
1 THz equals 1,000 GHz. Going the other way, 1 GHz is 0.001 THz.
How do you convert THz to GHz?
To convert terahertz to gigahertz, multiply the terahertz value by 1000. You can also divide by 0.001 to get the same answer.
What is 10 THz in GHz?
10 THz equals 10,000 GHz. The conversion chart on this page lists the other values people look up most often.
Related frequency conversions
Convert THz to other units
Convert other units to GHz
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