Convert Gigabytes to Terabytes
Gigabytes (GB) to Terabytes (TB) — the formula, a worked example and a live converter, all in your browser.
Result
Gigabytes to Terabytes formula
To convert, multiply by the fixed factor below:
TB = GB × 0.001
Worked example
1 GB = 1 × 0.001 = 0.001 TB.
Gigabytes to Terabytes conversion table
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 1 | 0.001 |
| 5 | 0.005 |
| 10 | 0.01 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
Common uses
Common when sizing backup drives, NAS arrays and cloud plans, where per-device gigabytes accumulate into terabytes.
Related conversions
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Frequently asked questions
What is the formula to convert gigabytes to terabytes?
Multiply the number of gigabytes by 0.001 to get terabytes (TB = GB × 0.001).
How many terabytes are in a gigabyte?
One gigabyte equals 0.001 terabytes.
Is this converter accurate?
Yes. It uses the exact decimal (1000-based) and binary (1024-based) definitions and runs entirely in your browser, so nothing you type is uploaded.