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Gigabyte (GB) to Terabyte (TB) Converter

Enter a value to instantly convert between data storage units.

Precision4 dp

1 Gigabyte = 0.001 Terabyte

Key Formulas

Megabyte → Gigabyte

GB = MB × 0.001

Gigabyte → Megabyte

MB = GB × 1000

Gigabyte → Terabyte

TB = GB × 0.001

Terabyte → Gigabyte

GB = TB × 1000

Formula

TB = GB × (1000000000 / 1e+12)

One terabyte is 1,000 gigabytes in decimal units, so divide gigabytes by 1,000 to get terabytes. A 500 GB drive holds 0.5 TB, and 2,000 GB makes 2 TB. This conversion helps when you compare drive capacities, cloud storage tiers, or backup sizes listed in different units. Drive labels use decimal units, while some operating systems report capacity in binary units, which shows a smaller number than the label. A tebibyte (TiB) equals 1,024 GiB.

Source: NIST: decimal prefixes and explicit binary prefixes; 1 byte = 8 bits

Reviewed by the Convert Calc editorial team · Last reviewed: · see our methodology

Frequently Asked Questions

Real-World Examples

1024 GB of photos and video fills 1.024 TB of drive space.

1024 GB = 1.024 TB

A 2048 GB backup set needs a drive of at least 2.048 TB.

2048 GB = 2.048 TB

A 512 GB laptop SSD is 0.512 TB, about half of a 1 TB drive.

512 GB = 0.512 TB

10240 GB of archived footage comes to 10.24 TB of storage.

10240 GB = 10.24 TB

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