Convert Gigabytes to Terabytes
GB to TB · digital storage conversion
What are gigabytes and terabytes?
A gigabyte is one billion bytes, about a quarter-hour of HD video. A terabyte is one trillion bytes, the typical capacity of a modern hard drive. 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 gigabytes to terabytes
1 GB = 0.001 TB. To convert, multiply the number of gigabytes by 0.001. For example, 5 GB = 0.005 TB, and 20 GB = 0.02 TB. To go the other way, multiply terabytes by 1,000 (since 1 TB = 1,000 GB).
Gigabytes to Terabytes conversion table
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 1 | 0.001 |
| 8 | 0.008 |
| 16 | 0.016 |
| 64 | 0.064 |
| 128 | 0.128 |
| 500 | 0.5 |
| 1,000 | 1 |
FAQ
What is 1 GB in TB?
1 GB = 0.001 TB. To convert any amount, multiply the number of gigabytes by 0.001.
How do I convert terabytes back to gigabytes?
Go the other way: 1 TB = 1,000 GB, so multiply terabytes by 1,000 to get gigabytes.
Is a gigabyte bigger than a terabyte?
No — 1 GB is the smaller unit, equal to 0.001 TB (it takes 1,000 GB to make one TB).
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.