Gigabytes to Terabytes Converter
1,000 GB = 1 TB (SI decimal). A 1 TB SSD stores about 250,000 photos or 500 hours of HD video.
Inverse conversion
1 TB = 1,000 GB (SI decimal). A 1 TB drive stores roughly 200,000 photos or 500 hours of HD video.
Formula
Formula
TB = GB ÷ 1,000
Worked example
To convert 2,500 GB to TB, divide 2,500 ÷ 1,000 = 2.5 TB.
Quick reference table
| GB | TB |
|---|---|
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 750 | 0.75 |
| 1000 | 1 |
| 1500 | 1.5 |
| 2000 | 2 |
| 4000 | 4 |
| 8000 | 8 |
Unit definitions
Gigabyte (GB)
A gigabyte (GB) = 1,000,000,000 bytes (decimal). Used for file sizes, RAM, and storage capacity in manufacturer specs.
Terabyte (TB)
A terabyte (TB) = 1,000,000,000,000 bytes (1 trillion bytes). Common for hard drive and NAS storage capacity.
Common use cases
- Hard drive and NAS capacity planning
- Video library storage
- Backup drive sizing
- Database storage estimates