Terabytes to gigabytes converter
Gigabytes (GB)
1 terabyte = 1,000 gigabytes
How to convert terabytes to gigabytes
GB = TB × 1000
Multiply the number of terabytes by 1000 to get gigabytes. Going the other way, divide by 1000 (or multiply by 0.001).
One terabyte is exactly defined as 1000 gigabytes (to 12 significant figures), and one gigabyte is 0.001 terabytes.
Worked examples
- Convert 5 terabytes: 5 × 1000 = 5,000 5,000 gigabytes.
- Convert 12.5 terabytes: 12.5 × 1000 = 12,500 12,500 gigabytes.
- Convert 250 terabytes: 250 × 1000 = 250,000 250,000 gigabytes.
Quick-reference table
| 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 |
| 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 |
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Frequently asked questions
How many gigabytes are in 1 terabyte?
1 terabyte equals 1,000 gigabytes.
What is the formula to convert terabytes to gigabytes?
Use GB = TB × 1000. Multiply the number of terabytes by 1000 to get gigabytes. Going the other way, divide by 1000 (or multiply by 0.001).
What is 100 terabytes in gigabytes?
100 terabytes is 100,000 gigabytes.