Online Calculators FreeReference Manual

Terabytes to Gigabytes Converter

Convert terabytes to gigabytes instantly. Exact factor: 1 TB = 1,000 GB.

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CalculatorFORM TB TO GB CONVERTER
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Convert terabytes to gigabytes

The exact conversion factor is 1 TB = 1,000 GB. Type any value and the result updates instantly; the math is shown beneath the board.

Worked by hand

Multiply the terabytes value by 1,000 to get gigabytes.

Worked example

  1. Take 1 TB
  2. multiply by 1,000
  3. the result is 1,000 GB

How to use it

  1. Enter your terabytes
  2. Read the gigabytes result
  3. Check the factor line to verify by hand

Frequently asked questions

How many gigabytes are in one terabytes?

Exactly 1,000 GB, by the SI/NIST definition.

How do I convert gigabytes back to terabytes?

Divide by 1,000 — or use the full converter where both directions are one click.

Is this rounding or exact?

The factor is exact; only the displayed decimals are rounded.