How to convert terabytes to gigabytes
GB = TB × 1,000Multiply the value in terabytes by 1,000. To go the other way, multiply by 0.001 (or divide by 1,000).
A terabyte is larger than a gigabyte: one terabyte contains 1,000 gigabytes.
Worked examples
- 1 terabyte1 TB × 1,000 = 1,000 GB
- 5 terabytes5 TB × 1,000 = 5,000 GB
- 10 terabytes10 TB × 1,000 = 10,000 GB
- 20 terabytes20 TB × 1,000 = 20,000 GB
- 100 terabytes100 TB × 1,000 = 100,000 GB
Terabytes to gigabytes conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 0.1 TB | 100 GB |
| 0.25 TB | 250 GB |
| 0.5 TB | 500 GB |
| 1 TB | 1,000 GB |
| 2 TB | 2,000 GB |
| 3 TB | 3,000 GB |
| 4 TB | 4,000 GB |
| 5 TB | 5,000 GB |
| 6 TB | 6,000 GB |
| 7 TB | 7,000 GB |
| 8 TB | 8,000 GB |
| 9 TB | 9,000 GB |
| 10 TB | 10,000 GB |
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 12 TB | 12,000 GB |
| 15 TB | 15,000 GB |
| 20 TB | 20,000 GB |
| 25 TB | 25,000 GB |
| 30 TB | 30,000 GB |
| 40 TB | 40,000 GB |
| 50 TB | 50,000 GB |
| 75 TB | 75,000 GB |
| 100 TB | 100,000 GB |
| 250 TB | 250,000 GB |
| 500 TB | 500,000 GB |
| 1,000 TB | 1,000,000 GB |
About the units
Terabyte (TB)
10¹² bytes. Hard drives and SSDs are marketed in decimal terabytes. One terabyte equals 8,000,000,000,000 bits (b).
Gigabyte (GB)
10⁹ bytes. Phone storage, data plans and RAM are sold in GB. One gigabyte equals 8,000,000,000 bits (b).
Frequently asked questions
How many gigabytes are in one terabyte?
There are 1,000 gigabytes in one terabyte, and this value is exact by definition.
How do I convert terabytes to gigabytes?
Multiply the number of terabytes by 1,000. For example, 10 TB × 1,000 = 10,000 GB.
How many terabytes are in one gigabyte?
One gigabyte equals 0.001 terabytes. That is the reverse factor, 1 ÷ 1,000.
What is 10 terabytes in gigabytes?
10 TB = 10,000 GB.
Is this TB to GB converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.