Convert Terabyte to Gigabyte
Convert Terabyte to Gigabyte instantly. 1 TB = 1,024 GB. Formula, worked examples and a quick reference table.
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One terabyte equals 1,024 gigabytes. To convert any number of terabytes to gigabytes, multiply by 1,024.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Terabyte to Gigabyte formula
To go the other way, use terabyte = gigabyte ÷ 1,024.
About these units
Operating systems treat a gigabyte as 2³⁰ bytes while drive manufacturers use 10⁹. This is why a 1 TB drive reports as roughly 931 GB.
Terabyte to Gigabyte conversion table
| Terabyte | Gigabyte |
|---|---|
| 1 TB | 1,024 GB |
| 2 TB | 2,048 GB |
| 4 TB | 4,096 GB |
| 8 TB | 8,192 GB |
| 16 TB | 16,384 GB |
| 32 TB | 32,768 GB |
| 64 TB | 65,536 GB |
| 128 TB | 131,072 GB |
| 256 TB | 262,144 GB |
| 512 TB | 524,288 GB |
| 1,024 TB | 1,048,576 GB |
Frequently asked questions
How many gigabytes are in a terabyte? +
There are 1,024 gigabytes in one terabyte.
What is 10 TB in GB? +
10 TB equals 10,240 GB. Multiply 10 by 1,024.
How do I convert gigabyte back to terabyte? +
Use terabyte = gigabyte ÷ 1,024. The converter above handles both directions, or see our dedicated Gigabyte to Terabyte page.