Gigabytes to Terabytes
Convert gigabytes to terabytes (GB to TB). 1 GB = 0.001 TB. Use the calculator, formula and conversion table.
How to convert gigabytes to terabytes
Multiply the amount in gigabytes by 0.001 to get terabytes. The displayed factor and results are rounded to 12 significant digits.
TB = GB × 0.001Worked example
1 GB = 0.001 TB. Change the amount in the calculator above to use your own value.
Units and assumptions
Decimal units (kB, MB, GB) use powers of 1,000. Binary units (KiB, MiB, GiB) use powers of 1,024. Eight bits equal one byte.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Gigabytes to Terabytes table
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 0 | 0 |
| 1 | 0.001 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 100 | 0.1 |
| 1,000 | 1 |
About this conversion
What is the formula for gigabytes to terabytes?
TB = GB × 0.001. Multiply the amount in gigabytes by 0.001 to get terabytes. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to gigabytes?
Use the terabytes to gigabytes calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the digital storage converter to browse all supported pairs.