Terabyte to Gigabyte
1 TB = 1000 GB
How to convert terabyte to gigabyte
Enter the value in terabyte (TB) above and the equivalent in gigabyte (GB) updates as you type. This conversion comes up when buying storage: why a "1 TB" drive shows 931 GB in the OS.
- A Netflix movie in HD is roughly 3 GB per hour → that is 0.001 TB in terabyte.
- A 1 TB drive holds about 250,000 phone photos → that is 1000 GB in gigabyte.
Typical situations: estimating download times from connection speed; comparing phone storage tiers and cloud plans.
You can also convert in the other direction: Gigabyte to Terabyte
Terabyte to Gigabyte conversion table
| Terabyte (TB) | Gigabyte (GB) |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
Watch out for
- GB (storage) vs Gb (transfer speed): a byte is 8 bits, so 1 Gbps line transfers at most 125 MB/s
- Decimal (1 GB = 1000 MB, as drive makers count) vs binary (1 GiB = 1024 MiB, as operating systems report)
Frequently asked questions
How many gigabytes is 1 terabyte?
1 terabyte = 1000 gigabytes.
What is the formula to convert terabyte to gigabytes?
The formula is: GB = TB × 1000.
What is 10 terabytes in gigabytes?
10 terabytes = 10000 gigabytes.