Terabytes (TB) to Gigabytes (GB) Conversion
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
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 (TB) | Gigabytes (GB) |
|---|---|
| 0.1 TB | 100 GB |
| 1 TB | 1000 GB |
| 2 TB | 2000 GB |
| 3 TB | 3000 GB |
| 5 TB | 5000 GB |
| 10 TB | 10000 GB |
| 20 TB | 20000 GB |
| 30 TB | 30000 GB |
| 50 TB | 50000 GB |
| 100 TB | 100000 GB |
| 1000 TB | 1000000 GB |
Frequently Asked Questions (FAQ)
How many gigabytes are in 1 terabytes?
1 terabytes (TB) is exactly 1,000.00 gigabytes (GB).
How do I convert terabytes to gigabytes?
Multiply the value in terabytes by 1,000.00 to get the result in gigabytes. Or use the converter above — type any number and see the result instantly.