TB to GB Converter
Convert terabytes to gigabytes and back, using decimal (base 1000) units, with binary units available.
Independently verified for accuracy
Calculator by Toolsloft ↗- Result
- 1000 Gigabytes (GB)
- Conversion
- 1 Terabytes (TB) = 1000 Gigabytes (GB)
Convert terabytes to gigabytes for drive sizes, backups, and storage plans. This uses decimal units the way drive makers do, and binary units are available if you need the values an operating system reports.
How this is calculated
Decimal storage units use powers of 1000, so one terabyte is 1000 gigabytes. Terabytes are multiplied by 1000 to get gigabytes. Binary units (TiB, GiB) use powers of 1024 and are offered separately.
How to use
- Enter the size in terabytes.
- Keep TB to GB, or press Swap for GB to TB.
- Read the result in gigabytes.
Examples
- One terabyte:
1 TB = 1000 GB - Drive:
2 TB = 2000 GB - Half terabyte:
0.5 TB = 500 GB
FAQ
- How many GB is 1 TB?
- One terabyte is 1000 gigabytes using the decimal units that drive makers print on the box.
- Why does my computer show less than 1000 GB?
- Operating systems often count in binary units (1 TiB = 1024 GiB), so a 1 TB drive shows as about 931 GiB.