This gigabytes to terabytes converter gives you the GB to TB result instantly, in your browser, with the exact ratio so you can verify it. 1 gigabyte is exactly 0.001 terabytes, and going the other way, 1 terabyte is 1,000 gigabytes. Gigabytes are a decimal storage unit as used by drive manufacturers and most operating systems; terabytes are a decimal storage unit as used by drive manufacturers and most operating systems.
To convert by hand, multiply the number of gigabytes by 0.001. For example, 10 gigabytes is 0.01 terabytes and 100 gigabytes is 0.1 terabytes. The table below lists the most requested values, and the converter above accepts decimals for anything in between.
GB to TB formula
TB = GB × 0.001
1 gigabyte is exactly 0.001 terabytes. Multiply the value in gigabytes by that factor to get terabytes.
Gigabytes to Terabytes conversion table
| gigabytes | terabytes | Rounded |
|---|---|---|
| 1 GB | 0.001 TB | 0.001 |
| 2 GB | 0.002 TB | 0.002 |
| 4 GB | 0.004 TB | 0.004 |
| 8 GB | 0.008 TB | 0.008 |
| 16 GB | 0.016 TB | 0.016 |
| 32 GB | 0.032 TB | 0.032 |
| 50 GB | 0.05 TB | 0.05 |
| 64 GB | 0.064 TB | 0.064 |
| 100 GB | 0.1 TB | 0.1 |
| 128 GB | 0.128 TB | 0.128 |
| 200 GB | 0.2 TB | 0.2 |
| 256 GB | 0.256 TB | 0.256 |
| 500 GB | 0.5 TB | 0.5 |
| 512 GB | 0.512 TB | 0.512 |
| 1,000 GB | 1 TB | 1 |
| 1,024 GB | 1.024 TB | 1.02 |
| 2,000 GB | 2 TB | 2 |
| 2,048 GB | 2.048 TB | 2.05 |
| 5,000 GB | 5 TB | 5 |
| 10,000 GB | 10 TB | 10 |
Frequently asked questions
How many terabytes are in 5 gigabytes?
5 GB = 0.005 TB. Multiply 5 by 0.001, the number of terabytes in one gigabyte. The converter on this page does the same arithmetic for any value, including decimals.
What is the formula to convert gigabytes to terabytes?
TB = GB × 0.001. The factor comes from the definitions of the units: 1 gigabyte is exactly 0.001 terabytes. Worked example: 12 GB = 0.012 TB.
Is 30 GB the same as 0.03 TB?
Yes. 30 GB = 0.03 TB. Rounded to the nearest whole unit it is 0.03 TB.
How do I convert terabytes back to gigabytes?
Divide by 0.001, or multiply by 1,000: 1 terabyte is 1,000 gigabytes. The terabytes to gigabytes page linked above lists common values the other way.
Is the GB to TB conversion exact?
1 gigabyte is exactly 0.001 terabytes. The ratio is fixed by international agreement, so results are exact apart from rounding in the display.