Gigabyte to Terabyte Converter
1 gigabyte is exactly 0.001 terabytes. Convert gigabytes (GB) to terabytes (TB) below: type a value and the result updates as you type.
GB to TB calculator
Result
Gigabyte to Terabyte conversion
1 GB = 0.001 TBone gigabyte in terabytes
1 TB = 1000 GBone terabyte in gigabytes
Gigabyte (GB): One billion bytes (decimal). Storage makers use GB; many operating systems show GiB but label it GB.
Terabyte (TB): One trillion bytes (decimal).
Source:IEC 80000-13:2008, Quantities and units: Information science and technology
How to convert gigabytes to terabytes
To convert gigabytes to terabytes, multiply the number of gigabytes by 0.001.
Formula
TB = GB × 0.001
Examples
- 5 GB = 5 × 0.001 = 0.005 TB
- 25 GB = 25 × 0.001 = 0.025 TB
- 100 GB = 100 × 0.001 = 0.1 TB
Gigabyte to Terabyte conversion table
| Gigabyte (GB) | Terabyte (TB) |
|---|---|
| 0.1 GB | 0.0001 TB |
| 0.5 GB | 0.0005 TB |
| 1 GB | 0.001 TB |
| 2 GB | 0.002 TB |
| 3 GB | 0.003 TB |
| 5 GB | 0.005 TB |
| 10 GB | 0.01 TB |
| 20 GB | 0.02 TB |
| 25 GB | 0.025 TB |
| 50 GB | 0.05 TB |
| 100 GB | 0.1 TB |
| 250 GB | 0.25 TB |
| 500 GB | 0.5 TB |
| 1000 GB | 1 TB |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many terabytes are in one gigabyte?
- One gigabyte is exactly 0.001 terabytes.
- How do I convert terabytes to gigabytes?
- To convert terabytes to gigabytes, multiply the number of terabytes by 1000. The formula is GB = TB × 1000.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 0.001 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a gigabyte or a terabyte?
- A terabyte is 1000 times larger than a gigabyte. In other words, a gigabyte is exactly 1/1000 of a terabyte.