Convert Terabyte to Gigabyte
Turn Terabytes into Gigabytes in an instant. Type a value below to get an accurate TB → GB result, with the formula and a quick-reference table.
1 TB = 1,000 GB
Quick answer: 1 Terabyte = 1,000 Gigabyte
Terabyte to Gigabyte conversion table
| Terabyte (TB) | Gigabyte (GB) |
|---|---|
| 1 TB | 1,000 GB |
| 2 TB | 2,000 GB |
| 5 TB | 5,000 GB |
| 10 TB | 10,000 GB |
| 20 TB | 20,000 GB |
| 50 TB | 50,000 GB |
| 100 TB | 100,000 GB |
| 500 TB | 500,000 GB |
| 1,000 TB | 1,000,000 GB |
How to convert Terabyte to Gigabyte
To convert Terabytes to Gigabytes, multiply the value by 1,000.
- Take your measurement in Terabytes.
- Multiply it by 1,000 — the number of Gigabytes in one Terabyte.
- The result is the same amount, expressed in Gigabytes.
To go the other way, multiply Gigabytes by 0.001 — or simply divide by 1,000.
For example, a typical laptop SSD is about 1 TB, which is 1,000 GB.
About Terabyte and Gigabyte
A terabyte is 1,000 gigabytes. It sizes hard drives, SSDs and large backups.
A gigabyte is 1,000 megabytes (one billion bytes). It sizes movies, phone storage and mobile data plans.
Both the Terabyte and the Gigabyte are decimal (SI) units, so converting between them is just a change of scale: one Terabyte equals 1,000 Gigabytes, and the Terabyte is the larger unit.
Other data storage conversions
Frequently asked questions
How many Gigabytes are in a Terabyte?
1 Terabyte equals 1,000 Gigabyte (TB → GB). To convert any amount, multiply the number of Terabytes by 1,000.
How do I convert Terabyte to Gigabyte?
Enter the number of Terabytes in the converter above and read the result in Gigabytes. It applies the exact TB → GB factor instantly, with full precision.
Is the Terabyte to Gigabyte 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.