Convert Terabytes to Gigabytes
TB to GB · digital storage conversion
What are terabytes and gigabytes?
A terabyte is one trillion bytes, the typical capacity of a modern hard drive. A gigabyte is one billion bytes, about a quarter-hour of HD video. For scale: a photo is a few MB, an HD movie a few GB, and a modern drive holds 1 TB or more. These use decimal (1 KB = 1,000 bytes).
How to convert terabytes to gigabytes
1 TB = 1,000 GB. To convert, multiply the number of terabytes by 1,000. For example, 5 TB = 5,000 GB, and 20 TB = 20,000 GB. To go the other way, multiply gigabytes by 0.001 (since 1 GB = 0.001 TB).
Terabytes to Gigabytes conversion table
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 1 | 1,000 |
| 8 | 8,000 |
| 16 | 16,000 |
| 64 | 64,000 |
| 128 | 128,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
FAQ
What is 1 TB in GB?
1 TB = 1,000 GB. To convert any amount, multiply the number of terabytes by 1,000.
How do I convert gigabytes back to terabytes?
Go the other way: 1 GB = 0.001 TB, so multiply gigabytes by 0.001 to get terabytes.
Is a terabyte bigger than a gigabyte?
Yes — 1 TB is the larger unit, equal to 1,000 GB.
Are these digital storage conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.