GB to TB Converter

Convert gigabytes to terabytes instantly, using binary (1024-based) units.

Runs locally in your browser Report an issue
Result No signup · local processing

Enter a data size to convert it

Enter a size and pick its unit. Every other unit is calculated live using binary (1024-based) sizing — right here in your browser, with nothing sent to a server.

Runs entirely in your browser

Enjoying this tool?

UsefulTab is free, with no sign-up and no limits. If it saved you some time, you can treat me to something small from my wishlist — totally optional.

Amazon Wishlist →

How to convert GB to TB

Divide gigabytes by 1024 to get terabytes in binary units. For example, 2048 GB ÷ 1024 = 2 TB. When sizing a backup or cloud plan, remember that drives are sold in decimal units: a '2 TB' drive holds 2,000 decimal GB, which shows as about 1,863 GB (1.82 TB) on most computers.

Gigabytes to terabytes table

Gigabytes (GB)Terabytes (TB)
256 GB0.25 TB
512 GB0.5 TB
1000 GB0.9766 TB
1024 GB1 TB
2048 GB2 TB
4096 GB4 TB

Common questions

How many GB are in 1 TB?

1024 GB in binary units, or 1000 GB in decimal units.

How many TB is 500 GB?

500 GB is about 0.488 TB in binary units, or 0.5 TB in decimal units.

How many GB does a 1 TB drive show?

Usually about 931 GB, because the drive is sold as 10¹² bytes and computers report binary gigabytes.