Terabytes to Gigabytes converter (TB to GB)
Convert Terabytes (TB) to Gigabytes (GB) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Terabytes to Gigabytes
1 terabyte (TB) is equal to 1,024 gigabytes (GB).
GB = TB × 1,024
Multiply the terabytes by 1,024:
Example: Convert 2 TB to GB:
GB = 2 × 1,024 = 2,048 GB
What is a Terabytes?
The Terabytes (TB) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Gigabytes?
The Gigabytes (GB) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts digital storage from Terabytes into Gigabytes. One TB equals 1024 GB.
Terabytes to Gigabytes conversion table
Common TB values and the matching GB result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 1 TB | 1024 GB |
| 2 TB | 2048 GB |
| 4 TB | 4096 GB |
| 8 TB | 8192 GB |
| 16 TB | 16384 GB |
| 32 TB | 32768 GB |
| 64 TB | 65536 GB |
| 128 TB | 131072 GB |
| 256 TB | 262144 GB |
| 512 TB | 524288 GB |
How this calculator works
The form on this page is a Terabytes-to-Gigabytes converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the GB result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many GB are in 1 TB?
1 TB = 1024 GB.
How do I convert Terabytes to Gigabytes?
Multiply the terabytes by 1,024:
Is this TB to GB converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.