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Terabytes to Gigabytes Converter

Convert Terabytes (TB) to Gigabytes (GB) instantly. Free online data converter with formula, examples, and common reference values.

Last Updated: May 2026
0.000621

Here's your answer

Conversion Summary

1 Meters = 0.000621 Miles

How to Convert Terabytes to Gigabytes

To convert from Terabytes (TB) to Gigabytes (GB), apply the following formula:

GB = TB × 1024

Example: 2 TB = 2048 GB

Quick Reference Table

Common terabytes to gigabytes conversions:

Terabytes (TB)Gigabytes (GB)
1 TB2048 GB
2 TB4096 GB
5 TB10240 GB
10 TB20480 GB
25 TB51200 GB
50 TB102400 GB
100 TB204800 GB
250 TB512000 GB
500 TB1024000 GB
1000 TB2048000 GB

Use our converter above for precise values at any input.

About Terabytes and Gigabytes

Terabytes (TB) and Gigabytes (GB) are both data units used in different measurement systems around the world. Our free converter lets you convert any value between them instantly without needing to remember the conversion factor.

Frequently Asked Questions

How do I convert Terabytes to Gigabytes?

To convert Terabytes to Gigabytes, use the formula: GB = TB × 1024. For example: 2 TB = 2048 GB.

How many Gigabytes are in 1 TB?

The exact conversion factor from Terabytes to Gigabytes is defined by the formula: GB = TB × 1024. Use our converter above to get instant results for any value.

Is this terabytes to gigabytes conversion exact?

Yes. Our converter uses the precise international conversion factor. All data conversions are performed to full floating-point precision in your browser with no rounding errors.

Can I convert Gigabytes back to Terabytes?

Yes — simply select the reverse direction in the Unit Converter, or use our dedicated reverse converter. You can also swap the units directly in the calculator above.

Does this converter work offline?

Once the page loads, all calculations are performed locally in your browser using JavaScript. No data is sent to our servers, so it works with or without an internet connection.

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