Quick answer: 1 GB = 0.001 TB
About the Gigabytes to Terabytes
There are 0.001 terabytes in one gigabyte, so to convert gigabytes to terabytes divide by 1,000.
This converter uses decimal units (1 MB = 1,000 KB), the standard for storage, file sizes on Mac and most websites. Windows uses binary units (1 MB = 1,024 KB): use the KiB/MiB/GiB options for that.
How to convert gigabytes to terabytes (GB to TB)
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
gigabytes to terabytes conversion table
| GB | TB |
|---|---|
| 1 GB | 0.001 TB |
| 2 GB | 0.002 TB |
| 5 GB | 0.005 TB |
| 10 GB | 0.01 TB |
| 20 GB | 0.02 TB |
| 25 GB | 0.025 TB |
| 50 GB | 0.05 TB |
| 75 GB | 0.075 TB |
| 100 GB | 0.1 TB |
| 250 GB | 0.25 TB |
| 500 GB | 0.5 TB |
| 1,000 GB | 1 TB |
How it's calculated
TB = GB ÷ 1,000
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
How many terabytes are in 1 gigabyte?
1 GB = 0.001 TB.
How many gigabytes are in 1 terabyte?
1 TB = 1,000 GB.
Is the Gigabytes to Terabytes free?
Yes, the Gigabytes to Terabytes is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.