Conversion table: Gigabytes (GB) to Terabytes (TB)
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1,000 | 1 |
How to use the GB to TB
- 1 Choose a category, such as length or temperature.
- 2 Enter the value and pick the unit to convert from and to.
- 3 Read the result; use the ⇄ button to swap the units.
Formula
TB = GB ÷ 1,000
A 2,000 GB backup is 2 TB. Hard drive and SSD capacities are always sold in decimal units.
Where did my space go?
A 1 TB drive holds 1,000,000,000,000 bytes. Windows divides by 1,024 three times and reports about 931 “GB” – which are actually GiB. No space is missing; it is just a different unit. Convert TB to GiB in the converter to see the number your computer shows. Formatting and recovery partitions use a little extra space on top of that.
How much is a terabyte?
Roughly 250,000 photos, 200 hours of HD video or 500 hours of video calls.
Frequently asked questions
How many GB are in 1 TB?
1,000 GB, or 1,024 GiB in 1 TiB in binary units.
Why does my 1 TB drive show 931 GB?
Your operating system shows binary units (GiB). 1 TB equals about 931 GiB.
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