Quick answer: 1 TB = 1,000 GB
About the Terabytes to Gigabytes
There are 1,000 gigabytes in one terabyte, so to convert terabytes to gigabytes multiply 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 terabytes to gigabytes (TB to GB)
- 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.
terabytes to gigabytes conversion table
| TB | GB |
|---|---|
| 1 TB | 1,000 GB |
| 2 TB | 2,000 GB |
| 5 TB | 5,000 GB |
| 10 TB | 10,000 GB |
| 20 TB | 20,000 GB |
| 25 TB | 25,000 GB |
| 50 TB | 50,000 GB |
| 75 TB | 75,000 GB |
| 100 TB | 100,000 GB |
| 250 TB | 250,000 GB |
| 500 TB | 500,000 GB |
| 1,000 TB | 1,000,000 GB |
How it's calculated
GB = TB × 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 gigabytes are in 1 terabyte?
1 TB = 1,000 GB.
How many terabytes are in 1 gigabyte?
1 GB = 0.001 TB.
Is the Terabytes to Gigabytes free?
Yes, the Terabytes to Gigabytes 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.