Conversions

Terabytes to Gigabytes

Convert terabytes to gigabytes (TB to GB). 1 TB = 1,000 GB. Use the calculator, formula and conversion table.

A quick reference1 TB = 1,000 GB
Gigabytes to Terabytes
Digital storage converter
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How to convert terabytes to gigabytes

Multiply the amount in terabytes by 1,000 to get gigabytes. The displayed factor and results are rounded to 12 significant digits.

GB = TB × 1,000

Worked example

1 TB = 1,000 GB. Change the amount in the calculator above to use your own value.

Units and assumptions

Decimal units (kB, MB, GB) use powers of 1,000. Binary units (KiB, MiB, GiB) use powers of 1,024. Eight bits equal one byte.

Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.

Terabytes to Gigabytes table

Common values, rounded for display
Terabytes (TB)Gigabytes (GB)
00
11,000
55,000
1010,000
2525,000
100100,000
1,0001,000,000

About this conversion

What is the formula for terabytes to gigabytes?

GB = TB × 1,000. Multiply the amount in terabytes by 1,000 to get gigabytes. The displayed factor and results are rounded to 12 significant digits.

How do I convert back to terabytes?

Use the gigabytes to terabytes calculator to reverse this conversion. You can also use Swap units in the calculator above.

Can I use a different pair of units?

Choose another unit in the calculator, or open the digital storage converter to browse all supported pairs.

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