Gigabytes (GB) to Terabytes (TB) Conversion
Gigabytes
The gigabyte (GB) is a unit of digital information equal to 1,000,000,000 bytes (10⁹ bytes) in SI decimal, or 1,073,741,824 bytes in binary convention. It is the dominant unit for consumer storage — smartphone internal storage, USB drives, and SD cards are sold in gigabytes. One hour of standard HD streaming consumes approximately 3 GB; one hour of 4K video requires 7–15 GB depending on encoding. Monthly mobile data plans are universally priced per gigabyte.
Terabytes
The terabyte (TB) is a unit of digital information equal to 1,000,000,000,000 bytes (10¹² bytes) in SI decimal, or 1,099,511,627,776 bytes in binary convention. Consumer hard drives and SSDs are now commonly sold in 1–4 TB capacities. The entire text collection of the US Library of Congress is estimated at approximately 20 TB. In data centres, individual server storage arrays routinely exceed hundreds of terabytes.
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 0.1 GB | 0.0001 TB |
| 1 GB | 0.001 TB |
| 2 GB | 0.002 TB |
| 3 GB | 0.003 TB |
| 5 GB | 0.005 TB |
| 10 GB | 0.01 TB |
| 20 GB | 0.02 TB |
| 30 GB | 0.03 TB |
| 50 GB | 0.05 TB |
| 100 GB | 0.10 TB |
| 1000 GB | 1.00 TB |
Frequently Asked Questions (FAQ)
How many terabytes are in 1 gigabytes?
1 gigabytes (GB) is exactly 0.001 terabytes (TB).
How do I convert gigabytes to terabytes?
Multiply the value in gigabytes by 0.001 to get the result in terabytes. Or use the converter above — type any number and see the result instantly.