Convert Gigabyte to Terabyte
Turn Gigabytes into Terabytes in an instant. Type a value below to get an accurate GB → TB result, with the formula and a quick-reference table.
1 GB = 0.001 TB
Quick answer: 1 Gigabyte = 0.001 Terabyte
Gigabyte to Terabyte conversion table
| Gigabyte (GB) | Terabyte (TB) |
|---|---|
| 1 GB | 0.001 TB |
| 2 GB | 0.002 TB |
| 5 GB | 0.005 TB |
| 10 GB | 0.01 TB |
| 20 GB | 0.02 TB |
| 50 GB | 0.05 TB |
| 100 GB | 0.1 TB |
| 500 GB | 0.5 TB |
| 1,000 GB | 1 TB |
How to convert Gigabyte to Terabyte
To convert Gigabytes to Terabytes, multiply the value by 0.001.
- Take your measurement in Gigabytes.
- Multiply it by 0.001 — the number of Terabytes in one Gigabyte.
- The result is the same amount, expressed in Terabytes.
To go the other way, multiply Terabytes by 1,000 — or simply divide by 0.001.
For example, an HD movie is about 5 GB, which is 0.005 TB.
About Gigabyte and Terabyte
A gigabyte is 1,000 megabytes (one billion bytes). It sizes movies, phone storage and mobile data plans.
A terabyte is 1,000 gigabytes. It sizes hard drives, SSDs and large backups.
Both the Gigabyte and the Terabyte are decimal (SI) units, so converting between them is just a change of scale: one Gigabyte equals 0.001 Terabytes, and the Terabyte is the larger unit.
Other data storage conversions
Frequently asked questions
How many Terabytes are in a Gigabyte?
1 Gigabyte equals 0.001 Terabyte (GB → TB). To convert any amount, multiply the number of Gigabytes by 0.001.
How do I convert Gigabyte to Terabyte?
Enter the number of Gigabytes in the converter above and read the result in Terabytes. It applies the exact GB → TB factor instantly, with full precision.
Is the Gigabyte to Terabyte converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined data storage factors and full floating-point precision, then rounds the display to a clean, readable number.