Terabyte to Gigabyte Converter
1 terabyte is exactly 1000 gigabytes. Convert terabytes (TB) to gigabytes (GB) below: type a value and the result updates as you type.
TB to GB calculator
Result
Terabyte to Gigabyte conversion
1 TB = 1000 GBone terabyte in gigabytes
1 GB = 0.001 TBone gigabyte in terabytes
Terabyte (TB): One trillion bytes (decimal).
Gigabyte (GB): One billion bytes (decimal). Storage makers use GB; many operating systems show GiB but label it GB.
Source:IEC 80000-13:2008, Quantities and units: Information science and technology
How to convert terabytes to gigabytes
To convert terabytes to gigabytes, multiply the number of terabytes by 1000.
Formula
GB = TB × 1000
Examples
- 5 TB = 5 × 1000 = 5000 GB
- 25 TB = 25 × 1000 = 25000 GB
- 100 TB = 100 × 1000 = 100000 GB
Terabyte to Gigabyte conversion table
| Terabyte (TB) | Gigabyte (GB) |
|---|---|
| 0.1 TB | 100 GB |
| 0.5 TB | 500 GB |
| 1 TB | 1000 GB |
| 2 TB | 2000 GB |
| 3 TB | 3000 GB |
| 5 TB | 5000 GB |
| 10 TB | 10000 GB |
| 20 TB | 20000 GB |
| 25 TB | 25000 GB |
| 50 TB | 50000 GB |
| 100 TB | 100000 GB |
| 250 TB | 250000 GB |
| 500 TB | 500000 GB |
| 1000 TB | 1000000 GB |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many gigabytes are in one terabyte?
- One terabyte is exactly 1000 gigabytes.
- How do I convert gigabytes to terabytes?
- To convert gigabytes to terabytes, multiply the number of gigabytes by 0.001. The formula is TB = GB × 0.001.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1000 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a terabyte or a gigabyte?
- A terabyte is 1000 times larger than a gigabyte. In other words, a gigabyte is exactly 1/1000 of a terabyte.