How to convert terabytes to petabytes
Formula: PB = TB × 0.001
Worked example: 2 TB → 2 × 0.001 = 0.002 PB
Terabytes to petabytes conversion chart
| Terabytes (TB) | Petabytes (PB) |
|---|---|
| 1 TB | 0.001 PB |
| 2 TB | 0.002 PB |
| 3 TB | 0.003 PB |
| 4 TB | 0.004 PB |
| 5 TB | 0.005 PB |
| 8 TB | 0.008 PB |
| 10 TB | 0.01 PB |
| 16 TB | 0.016 PB |
| 20 TB | 0.02 PB |
| 25 TB | 0.025 PB |
| 32 TB | 0.032 PB |
| 50 TB | 0.05 PB |
| 64 TB | 0.064 PB |
| 100 TB | 0.1 PB |
| 128 TB | 0.128 PB |
| 250 TB | 0.25 PB |
| 256 TB | 0.256 PB |
| 500 TB | 0.5 PB |
| 512 TB | 0.512 PB |
| 1,000 TB | 1 PB |
| 1,024 TB | 1.024 PB |
What is a terabyte?
The terabyte is one trillion bytes, or 1,000 GB. Hard drives, SSDs and cloud backups are sold in TB. A 1 TB drive holds about 250,000 photos of 4 MB.
What is a petabyte?
The petabyte is 1,000 terabytes, or 10¹⁵ bytes. It measures data centers, scientific archives and the libraries of streaming services rather than personal devices.