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 gigabyte (GB) is a unit of digital storage equal to 1,024 megabytes (MB) or approximately 1 billion bytes. It is a standard measurement used across operating systems, storage devices, and cloud platforms to represent capacity and file size.
Gigabytes are commonly used to describe the size of applications, operating systems, high-resolution media, and storage space. For example, a 4K movie can be 10–20 GB, and smartphones today often come with 64 GB to 512 GB of internal storage.
In both hardware and networking, gigabytes serve as a reference point for system requirements, file transfers, and usage limits. Whether you're managing a cloud backup, downloading large files, or installing software, understanding gigabytes helps gauge how much space or bandwidth is needed.
SI (Base 10):
Formula: Gigabyte = Petabyte ÷ "Number of Petabytes in 1 Gigabyte"
Calculation: 100 × 1000000 = 100000000 Gigabyte
Binary (Base 2):
Formula: Gigabyte = Petabyte ÷ "Number of Petabytes in 1 Gigabyte"
Calculation: 100 × 1048576 = 104857600 Gigabyte
| Petabyte | Gigabyte (Binary) | Gigabyte (SI) |
|---|---|---|
| 1 | 1,048,576 | 1,000,000 |
| 2 | 2,097,152 | 2,000,000 |
| 3 | 3,145,728 | 3,000,000 |
| 4 | 4,194,304 | 4,000,000 |
| 5 | 5,242,880 | 5,000,000 |
| 6 | 6,291,456 | 6,000,000 |
| 7 | 7,340,032 | 7,000,000 |
| 8 | 8,388,608 | 8,000,000 |
| 9 | 9,437,184 | 9,000,000 |
| 10 | 10,485,760 | 10,000,000 |
| 11 | 11,534,336 | 11,000,000 |
| 12 | 12,582,912 | 12,000,000 |
| 13 | 13,631,488 | 13,000,000 |
| 14 | 14,680,064 | 14,000,000 |
| 15 | 15,728,640 | 15,000,000 |