Convert Gigabytes to Terabytes

1 GB = 0.001 TB. Enter any value below.

Converted to every unit

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Gigabytes to Terabytes formula

TB = GB × 0.001

A gigabyte (SI) is 1,000,000,000 bytes, the unit storage makers use. A terabyte (SI) is 1,000 gigabytes.

Worked example

To convert 5 GB, multiply by 0.001: 5 GB × 0.001 = 0.005 TB.

Gigabytes to Terabytes conversion table

GigabytesTerabytes
1 GB0.001 TB
2 GB0.002 TB
3 GB0.003 TB
4 GB0.004 TB
5 GB0.005 TB
6 GB0.006 TB
7 GB0.007 TB
8 GB0.008 TB
9 GB0.009 TB
10 GB0.01 TB
12 GB0.012 TB
15 GB0.015 TB
20 GB0.02 TB
25 GB0.025 TB
30 GB0.03 TB
40 GB0.04 TB
50 GB0.05 TB
75 GB0.075 TB
100 GB0.1 TB
250 GB0.25 TB
500 GB0.5 TB
1,000 GB1 TB

Frequently asked questions

How many terabytes are in a gigabyte?

1 GB equals 0.001 TB.

How do I convert gigabytes to terabytes?

Use the formula TB = GB × 0.001. For example, 5 GB = 0.005 TB.

Last reviewed: October 2026 · Uses exact, internationally defined conversion factors.