Gigabytes to Terabytes Converter
Convert gigabytes to terabytes instantly. 1 GB = 0.001 TB. Free two-way converter with the formula and a quick reference table.
How to convert gigabytes to terabytes
terabytes = gigabytes × 0.001
One gigabyte equals 0.001 terabytes, so to convert gigabytes to terabytes you multiply by 0.001. Going the other way, one terabyte is 1,000 gigabytes. Both units measure digital storage, so the conversion is an exact ratio that never changes.
10 gigabytes = 0.01 terabytes. Multiply your gigabyte figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? terabytes to gigabytes
gigabytes to terabytes table
| gigabytes (GB) | terabytes (TB) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1,000 | 1 |
Frequently asked questions
How many terabytes are in a gigabyte?
One gigabyte equals 0.001 terabytes. So to convert, multiply the number of gigabytes by 0.001.
How do I convert gigabytes to terabytes?
Multiply by 0.001, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
These use the decimal (1000-based) definitions used by storage makers and networks; operating systems sometimes show binary (1024-based) values, which differ slightly.