How to convert gigabytes to terabytes
- Type the value in gigabytes (GB) in the box above.
- The result in terabytes appears instantly, along with the same value in every other unit of data.
- Press ⇄ to convert the other way.
Formula
TB = GB ÷ 1000 (decimal units). So 1 GB = 0.001 TB, and 500 GB = 0.5 TB.
Gigabytes to terabytes helps when comparing drive sizes, cloud storage plans and backup needs. Storage makers use decimal units, so 1 TB is 1000 GB. Operating systems often count in binary units (1 TiB = 1024 GiB), which is why a new 1 TB drive shows about 931 GB in Windows. This converter uses the decimal units printed on the box.
GB to TB conversion chart
| Gigabytes | Terabytes |
|---|---|
| 100 GB | 0.1 TB |
| 128 GB | 0.128 TB |
| 250 GB | 0.25 TB |
| 256 GB | 0.256 TB |
| 500 GB | 0.5 TB |
| 512 GB | 0.512 TB |
| 750 GB | 0.75 TB |
| 1,000 GB | 1 TB |
| 2,000 GB | 2 TB |
| 4,000 GB | 4 TB |
FAQ
How many TB is 500 GB?
0.5 TB.
How do I convert GB to TB?
Use TB = GB ÷ 1000 (decimal units). Or type the value above and the converter does it for you.
How do I convert TB back to GB?
Multiply by 1,000, or press the ⇄ button in the converter.