This terabytes to gigabytes converter gives you the TB to GB result instantly, in your browser, with the exact ratio so you can verify it. 1 terabyte is exactly 1,000 gigabytes, and going the other way, 1 gigabyte is 0.001 terabytes. Terabytes are a decimal storage unit as used by drive manufacturers and most operating systems; gigabytes are a decimal storage unit as used by drive manufacturers and most operating systems.
To convert by hand, multiply the number of terabytes by 1,000. For example, 10 terabytes is 10,000 gigabytes and 100 terabytes is 1 gigabytes. The table below lists the most requested values, and the converter above accepts decimals for anything in between.
TB to GB formula
GB = TB × 1,000
1 terabyte is exactly 1,000 gigabytes. Multiply the value in terabytes by that factor to get gigabytes.
Terabytes to Gigabytes conversion table
| terabytes | gigabytes | Rounded |
|---|---|---|
| 1 TB | 1,000 GB | 1 |
| 2 TB | 2,000 GB | 2 |
| 4 TB | 4,000 GB | 4 |
| 8 TB | 8,000 GB | 8 |
| 16 TB | 16,000 GB | 16 |
| 32 TB | 32,000 GB | 32 |
| 50 TB | 50,000 GB | 5 |
| 64 TB | 64,000 GB | 64 |
| 100 TB | 1 GB | 1 |
| 128 TB | 128 GB | 128 |
| 200 TB | 2 GB | 2 |
| 256 TB | 256 GB | 256 |
| 500 TB | 5 GB | 5 |
| 512 TB | 512 GB | 512 |
| 1,000 TB | 1 GB | 1 |
| 1,024 TB | 1,024 GB | 1,024 |
| 2,000 TB | 2 GB | 2 |
| 2,048 TB | 2,048 GB | 2,048 |
| 5,000 TB | 5 GB | 5 |
| 10,000 TB | 1 GB | 1 |
Frequently asked questions
How many gigabytes are in 5 terabytes?
5 TB = 5,000 GB. Multiply 5 by 1,000, the number of gigabytes in one terabyte. The converter on this page does the same arithmetic for any value, including decimals.
What is the formula to convert terabytes to gigabytes?
GB = TB × 1,000. The factor comes from the definitions of the units: 1 terabyte is exactly 1,000 gigabytes. Worked example: 12 TB = 12,000 GB.
Is 30 TB the same as 30,000 GB?
Yes. 30 TB = 30,000 GB. Rounded to the nearest whole unit it is 3 GB.
How do I convert gigabytes back to terabytes?
Divide by 1,000, or multiply by 0.001: 1 gigabyte is 0.001 terabytes. The gigabytes to terabytes page linked above lists common values the other way.
Is the TB to GB conversion exact?
1 terabyte is exactly 1,000 gigabytes. The ratio is fixed by international agreement, so results are exact apart from rounding in the display.