Terabytes to Gigabytes
Convert terabytes to gigabytes instantly.
Terabytes to Gigabytes (TB to GB) Converter
1 terabyte = 1,000 gigabytes
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- 1 TB = 1000 GB
- 5 TB = 5000 GB
- 10 TB = 10000 GB
- 25 TB = 25000 GB
- MegabytesMB
- GigabytesGB
- TerabytesTB
- MegabytesMB
- GigabytesGB
How it’s calculated
GB = TB × 1000
- Multiply the value in terabytes by 1000.
- To go back, divide by 1000 (or multiply by 0.001).
- 1 TB = 1,000 GB · 1 GB = 0.001 TB
Quick examples
1 terabyte = 1,000 gigabytes · 1 GB = 0.001 TB
- 1 terabyte = 1,000 gigabytes
- 5 terabytes = 5,000 gigabytes
- 10 terabytes = 10,000 gigabytes
- 25 terabytes = 25,000 gigabytes
- 100 terabytes = 100,000 gigabytes
Terabytes to gigabytes conversion table
| Terabytes (TB) | Gigabytes (GB) |
|---|---|
| 0.1 TB | 100 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 |
| 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 these units
Terabyte (TB)
SI (metric)
1 TB = 8,000,000,000,000 bit (exact)
Source: IEC 80000-13 (decimal and binary prefixes)
Gigabyte (GB)
SI (metric)
1 GB = 8,000,000,000 bit (exact)
The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".
Source: IEC 80000-13 (decimal and binary prefixes)
Frequently asked questions
How do I convert terabytes to gigabytes?
Use GB = TB × 1000. Multiply the value in terabytes by 1000.
How many gigabytes are in 1 terabyte?
1 terabyte (TB) equals 1,000 gigabytes (GB).
How many terabytes are in 1 gigabyte?
1 gigabyte (GB) equals 0.001 terabytes (TB).
What is 10 TB in GB?
10 terabytes = 10,000 gigabytes.
What is a gigabyte?
The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".
Related conversions
Formula: GB = TB × 1000. Factors last reviewed 2026-10-27.