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Terabytes to Gigabytes Converter

Convert terabytes to gigabytes instantly with our free data converter. 1 terabyte = 1,024 GB — type any value below and the result updates live.

Terabytes → Gigabytes⇄ Swap: Gigabytes → Terabytes
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Terabytes to Gigabytes Formula

Gigabytes = Terabytes × 1,024 (Terabytes = Gigabytes × 0.000977)

Data-size conversion for storage and memory — bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes. This converter uses binary (1024-based) units, the convention for RAM, file sizes, and storage devices.

Terabytes to Gigabytes Conversion Table

TerabytesGigabytes
1 TB=1,024 GB
2 TB=2,048 GB
5 TB=5,120 GB
10 TB=10,240 GB
25 TB=25,600 GB
50 TB=51,200 GB
100 TB=102,400 GB

About Terabytes and Gigabytes

A terabyte is 1,024 gigabytes — about 500 hours of HD video. The unit for external hard drives and cloud storage.

A gigabyte is 1,024 megabytes — roughly an hour of HD video or 250 MP3 songs. The unit for phone storage and data plans.

Frequently Asked Questions

How many gigabytes are in one terabyte?
One terabyte equals 1,024 gigabytes. Multiply any terabytes value by 1,024 to convert it.
What is the formula for converting terabytes to gigabytes?
Gigabytes = Terabytes × 1,024. To reverse it: terabytes = gigabytes × 0.000977.
How do I convert gigabytes back to terabytes?
Divide the gigabytes value by 1,024 (equivalently, multiply by 0.000977). Or use our gigabytes-to-terabytes converter going the other way.
Which is bigger, a terabyte or a gigabyte?
A terabyte is bigger — one terabyte equals 1,024 gigabytes.