Terabytes to Gigabytes Converter
Convert terabytes (TB) to gigabytes (GB) instantly. Type a value above and the result updates while you type. 1 terabyte equals 1000 gigabytes.
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
1 terabyte = 1000 gigabytes
Multiply the terabytes value by 1000 to get gigabytes. Or divide by 0.001 to go the other way.
Terabytes to gigabytes conversion table
| TB | GB |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 8 | 8000 |
| 10 | 10,000 |
| 16 | 16,000 |
| 25 | 25,000 |
| 32 | 32,000 |
| 50 | 50,000 |
| 64 | 64,000 |
| 100 | 100,000 |
| 128 | 128,000 |
| 250 | 250,000 |
| 256 | 256,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Worked examples
- 5 TB × 1000 = 5000 GB
- 30 TB × 1000 = 30,000 GB
- 165 TB × 1000 = 165,000 GB
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
Looking for the other direction?
Frequently asked questions
How many gigabytes are in 1 terabyte?
1 terabyte equals 1000 gigabytes (TB → GB).
How do you convert terabytes to gigabytes?
Multiply the number of terabytes by 1000. For example: 10 TB × 1000 = 10,000 GB.
What is 50 TB in GB?
50 TB equals 50,000 GB.
Which is bigger: 1 terabyte or 1 gigabyte?
1 terabyte is bigger: it equals 1000 gigabytes.