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GB to TB Converter

Gigabyte (SI) → Terabyte (SI)

1 gigabyte = 0.001 TB, and 1 terabyte = 1,000 GB.

0.001 TB

Reverse: TB to GB Converter

Formula & conversion factor
TB = GB × 0.001
1 GB = 0.001 TB · 1 TB = 1,000 GB

Hard drives, SSDs and cloud storage plans are sold in decimal terabytes of 1,000 gigabytes. Your computer may report the same drive in binary units and show a smaller number.

Gigabyte (SI) to Terabyte (SI) conversion table

GBTB
100 GB0.1 TB
128 GB0.128 TB
250 GB0.25 TB
256 GB0.256 TB
500 GB0.5 TB
512 GB0.512 TB
750 GB0.75 TB
1,000 GB1 TB
1,024 GB1.024 TB
2,000 GB2 TB
4,000 GB4 TB
8,000 GB8 TB
10,000 GB10 TB
16,000 GB16 TB
20,000 GB20 TB

Calculated with the same formula as the converter, rounded to six significant digits.

Frequently asked questions

How many terabytes are in 1 gigabyte?

1 gigabyte equals 0.001 TB. Formula: TB = GB × 0.001.

What is 10 gigabytes in terabytes?

10 GB = 0.01 TB, because 10 × 0.001 = 0.01.

How many gigabytes are in 1 terabyte?

1 terabyte equals 1,000 GB. To convert back, divide by 0.001.

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