📡 Frequency
GHz to THz Converter
Convert GHz to THz instantly with a reference conversion table.
Quick answer: To convert GHz to THz, multiply by 0.001. For example, 1 GHz = 0.001 THz. Use the calculator below for any value.
GHz to THz
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Common conversions
| GHz | THz |
|---|
Formula:
How to convert GHz to THz
1
Enter your value
Type the number of ghz you want to convert into the left box. The result in thz appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — THz to GHz. Your current value carries across so you don't have to re-enter anything.
3
About GHz and THz
GHz and THz are common frequency measurements.
📊 Common conversions at a glance
| GHz | THz |
|---|---|
| 1 | 0.001 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1000 | 1 |
| 5000 | 5 |
| 10000 | 10 |
Reviewed for 2026. GHz ↔ THz conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.
Frequently asked questions
How do I convert GHz to THz?
To convert GHz to THz, multiply by 0.001. Or use the calculator above for instant results.
How many THz are in 1 GHz?
1 GHz equals 0.001 THz.
Is the GHz to THz converter free?
Yes, the GHz to THz converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.