Terabytes to Gigabytes – terabyte to gigabyte Converter

1 TB = 1000 GB

gigabytes (GB)1000

Formula

GB = TB × 1000

Terabytes to gigabytes conversion table

terabytes (TB)gigabytes (GB)
0.25 TB250 GB
0.5 TB500 GB
1 TB1000 GB
2 TB2000 GB
5 TB5000 GB
10 TB10000 GB
20 TB20000 GB
50 TB50000 GB
100 TB100000 GB
200 TB200000 GB
500 TB500000 GB
1000 TB1000000 GB
2500 TB2500000 GB
5000 TB5000000 GB
10000 TB10000000 GB

Terabytes and gigabytes are both data size units. One terabyte equals 1000 gigabytes; enter any value above for an instant result, or use the table for common conversions.

Sanity-check examples

  • 1 TB = 1000 GB
  • 10 TB = 10000 GB
  • 2.5 TB = 2500 GB

Common pitfalls and look-alike units

This page uses SI decimal units: 1 KB = 1000 B. Binary contexts use KiB (1 KiB = 1024 B). Drive makers label in decimal while operating systems often display binary, which is why a 500 GB drive shows about 465 GiB — expected, not a defect.

Frequently asked questions

How many gigabytes are in a terabyte?

1 terabyte (TB) equals 1000 gigabyte (GB).

How do I convert terabytes to gigabytes?

Multiply the terabyte value by 1000 to get gigabyte — for example, 2 terabytes = 2000 gigabyte. Note: this page uses SI decimal units (1 KB = 1000 B). Binary units (KiB/MiB, 1 KiB = 1024 B) give different values.

How do I convert gigabytes back to terabytes?

1 gigabyte equals 0.001 terabyte. Use the swap button or the reverse conversion page linked on this page.

Related conversions

Need more units? Try the full Unit Converter →