Gigabytes to terabytes converter
Terabytes (TB)
1 gigabyte = 0.001 terabytes
How to convert gigabytes to terabytes
TB = GB × 0.001
Multiply the number of gigabytes by 0.001 to get terabytes. Going the other way, divide by 0.001 (or multiply by 1000).
One gigabyte is exactly defined as 0.001 terabytes (to 12 significant figures), and one terabyte is 1000 gigabytes.
Worked examples
- Convert 5 gigabytes: 5 × 0.001 = 0.005 0.005 terabytes.
- Convert 12.5 gigabytes: 12.5 × 0.001 = 0.0125 0.0125 terabytes.
- Convert 250 gigabytes: 250 × 0.001 = 0.25 0.25 terabytes.
Quick-reference table
| GB | 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 |
| 1,000 | 1 |
| TB | GB |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
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Frequently asked questions
How many terabytes are in 1 gigabyte?
1 gigabyte equals 0.001 terabytes.
What is the formula to convert gigabytes to terabytes?
Use TB = GB × 0.001. Multiply the number of gigabytes by 0.001 to get terabytes. Going the other way, divide by 0.001 (or multiply by 1000).
What is 100 gigabytes in terabytes?
100 gigabytes is 0.1 terabytes.