Unit Converter

Convert gigabytes to terabytes

Convert gigabytes to terabytes using decimal units (1 TB = 1,000 GB), as drives are marketed. Windows shows TiB (1,024 GiB), so a 2 TB drive reads ~1.82 TiB.

1 GB = 0.001 TB

Formula

Convert gigabytes to terabytes with:

TB = GB / 1000

Example

500 GB = 0.5 TB

gigabytes to terabytes table

GBTB
100 GB0.1 TB
250 GB0.25 TB
500 GB0.5 TB
1000 GB1 TB
2000 GB2 TB
4000 GB4 TB
8000 GB8 TB

Questions

How many terabytes are in a gigabyte?

One gigabyte is 0.001 terabytes. Enter any value above to convert instantly.

What is the formula to convert gigabytes to terabytes?

Use TB = GB / 1000. The calculator applies this for every value you type.

Is this conversion exact?

Yes — it uses the standard conversion factor (TB = GB / 1000), rounded to 6 significant digits for display.

Common conversions

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