TB to GB Converter
Convert terabytes (TB) to gigabytes (GB) as you type — 1 TB = 1,000 GB. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — terabytes are already selected.
- The result in gigabytes appears instantly. Change either unit to convert to anything else in data storage.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 TB to GB
1 TBGB = 1 × 1000 = 1,000 GBCommon use cases
- Storage and file sizes.
- Explaining drive capacities shown by Windows.
- Memory limits and quotas in cloud and container configs.
TB to GB conversion table
| Terabyte (TB) | Gigabyte (GB) |
|---|---|
| 1 TB | 1,000 GB |
| 2 TB | 2,000 GB |
| 4 TB | 4,000 GB |
| 8 TB | 8,000 GB |
| 16 TB | 16,000 GB |
| 32 TB | 32,000 GB |
| 64 TB | 64,000 GB |
| Terabyte (TB) | Gigabyte (GB) |
|---|---|
| 128 TB | 128,000 GB |
| 256 TB | 256,000 GB |
| 500 TB | 500,000 GB |
| 512 TB | 512,000 GB |
| 1,000 TB | 1,000,000 GB |
| 1,024 TB | 1,024,000 GB |
Values rounded to 6 decimal places.
Related conversions
The units
- Terabyte (TB)
- 10¹² bytes. Part of the SI system.
- Gigabyte (GB)
- 10⁹ bytes. Part of the SI system.
How to convert terabytes to gigabytes
Hard drives and SSDs are sold in decimal terabytes: a “2 TB” drive holds 2,000 GB, which Windows displays as about 1.82 TB because it counts in TiB.
To convert terabytes to gigabytes, use GB = TB × 1000. One terabyte equals 1,000 gigabytes, and one gigabyte equals 0.001 terabytes.
Terabyte (TB): 10¹² bytes. Gigabyte (GB): 10⁹ bytes.
All digital information units are on the data storage converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many gigabytes are in a terabyte?
1 TB = 1,000 GB. Multiply terabytes by 1000 (or use GB = TB × 1000).
How do I convert terabytes to gigabytes?
Use GB = TB × 1000. For example, 1 TB = 1,000 GB and 2 TB = 2,000 GB.
Is 1 GB 1,000 MB or 1,024 MB?
In SI units 1 GB = 1,000 MB. 1,024 is the binary relationship: 1 GiB = 1,024 MiB. Both are offered here, kept separate.
Why does my 1 TB drive show 931 GB?
The drive has 10¹² bytes; Windows divides by 1024³ and labels the result “GB”, giving 931 (really GiB).