How to convert terabytes to gigabytes
Terabytes and Gigabytes both measure data, so converting is a single multiplication. One TB equals 1,000 GB, so you multiply your terabytes value by 1,000.
Formula: gigabytes = terabytes × 1,000. For example, 10 TB = 10,000 GB.
Terabytes to Gigabytes conversion table
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
Terabytes and Gigabytes explained
Terabytes (TB): One trillion bytes, used for drives and large storage.
Gigabytes (GB): One billion bytes, used for videos, apps and storage.
When you'd convert terabytes to gigabytes
You'll convert terabytes to gigabytes whenever a measurement is given in one unit but you need it in the other — comparing terabytes and gigabytes figures across regions, following a recipe or spec, or double-checking a number. Because 1 TB is exactly 1,000 GB, the result is precise every time.
Frequently asked questions
How many gigabytes are in a terabyte?
One TB equals 1,000 GB. Multiply your terabytes figure by 1,000 to get gigabytes.
What is the formula to convert terabytes to gigabytes?
gigabytes = terabytes × 1,000. The factor 1,000 is exact.
What is 2 terabytes in gigabytes?
2 TB = 2,000 GB. You can enter any value in the converter above to get an instant result.
Is this Terabytes to Gigabytes converter accurate?
Yes. It uses the standard conversion factor (1 TB = 1,000 GB) defined by IEC 80000-13 — units of information (bit, byte), so results are exact to several decimal places.