A petabyte (PB) is a massive unit of digital storage equal to 1,024 terabytes (TB) or over 1 quadrillion bytes. It represents a scale of data rarely encountered by individual users but increasingly common in enterprise systems, cloud storage infrastructure, scientific research, and large-scale analytics platforms.
To put it in perspective, a petabyte could store:
Organizations in sectors like cloud computing, artificial intelligence, genomics, finance, and telecommunications routinely work with petabytes of data. Whether storing backup archives or processing real-time analytics, PB-level storage marks the threshold where data becomes a true operational asset — and a challenge to manage efficiently.
A terabyte (TB) equals 1,024 gigabytes (GB) or about 1 trillion bytes. It's a standard unit of digital storage used to describe the capacity of hard drives, SSDs, cloud storage plans, and large-scale data systems.
Terabytes are often associated with high-capacity storage. Such as external drives, data centers, video production setups, and backup systems. A single TB can hold roughly:
As digital content grows from 4K video to big data applications, terabytes have become the new baseline for consumers and professionals managing large volumes of files. Whether you're upgrading a storage device or evaluating a hosting plan, TB is now a central unit in everyday digital infrastructure.
SI (Base 10):
Formula: Terabyte = Petabyte ÷ "Number of Petabytes in 1 Terabyte"
Calculation: 1.1 × 1000 = 1100 Terabyte
Binary (Base 2):
Formula: Terabyte = Petabyte ÷ "Number of Petabytes in 1 Terabyte"
Calculation: 1.1 × 1024 = 1126.4 Terabyte
| Petabyte | Terabyte (Binary) | Terabyte (SI) |
|---|---|---|
| 1 | 1,024 | 1,000 |
| 2 | 2,048 | 2,000 |
| 3 | 3,072 | 3,000 |
| 4 | 4,096 | 4,000 |
| 5 | 5,120 | 5,000 |
| 6 | 6,144 | 6,000 |
| 7 | 7,168 | 7,000 |
| 8 | 8,192 | 8,000 |
| 9 | 9,216 | 9,000 |
| 10 | 10,240 | 10,000 |
| 11 | 11,264 | 11,000 |
| 12 | 12,288 | 12,000 |
| 13 | 13,312 | 13,000 |
| 14 | 14,336 | 14,000 |
| 15 | 15,360 | 15,000 |