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How to Convert Terabytes to Gigabytes
Multiply the terabyte value by 1,024 (binary). In computing, 1 TB = 1,024 GB, though drive manufacturers often use the decimal definition where 1 TB = 1,000 GB.
Terabytes to Gigabytes Conversion Table
| Terabytes | Gigabytes |
|---|---|
| 0.5 | 512 |
| 1 | 1024 |
| 2 | 2048 |
| 5 | 5120 |
| 10 | 10240 |
| 15 | 15360 |
| 20 | 20480 |
| 25 | 25600 |
| 50 | 51200 |
| 100 | 102400 |
| 250 | 256000 |
| 500 | 512000 |
| 1000 | 1024000 |
How Many Gigabytes in a Terabyte?
1 terabyte equals 1024 gigabytes. To convert any value, multiply the number of terabytes by 1024.
Common Use Cases
IT procurement managers evaluating storage arrays and NAS devices convert terabytes to gigabytes to calculate cost-per-gigabyte and compare offerings. A 10 TB NAS provides 10,240 GB of raw capacity, and after RAID overhead and filesystem formatting, the usable space might be around 7,500-9,000 GB, depending on the configuration.
Video production studios archiving 4K and 8K footage need to understand how many gigabytes of storage each terabyte-class drive provides. A single hour of uncompressed 4K video can consume 300-500 GB, meaning a 4 TB drive (4,096 GB) holds roughly 8-13 hours of raw footage. Accurate TB-to-GB conversion drives equipment-purchasing decisions for post-production workflows.
Cloud-storage users comparing pricing tiers offered in terabytes need to know the gigabyte equivalent to evaluate whether their data fits. A 2 TB cloud plan provides 2,048 GB, and if a user's photo library, documents, and backups total 1,800 GB, understanding the conversion confirms the plan has adequate headroom without upgrading to a more expensive tier.