Data Management Glossary
Exabyte
An exabyte (EB) is a unit of digital information storage equal to 1 billion gigabytes (GB) or 1 million terabytes (TB). Specifically, it is:
- 1 exabyte = 1,000 petabytes (PB)
- 1 exabyte = 1,000,000 terabytes (TB)
- 1 exabyte = 1,000,000,000 gigabytes (GB)
- 1 exabyte = 1,000,000,000,000 megabytes (MB)
- 1 exabyte = 10/18 bytes (in decimal, SI units)
Real-world exabyte comparisons
- The total amount of data transmitted over the internet daily is estimated to be in the exabyte range. World Economic Forum.
- All words ever spoken by humans (if digitized) would take up roughly 5 exabytes. Source.
- Modern data centers of major tech companies store data measured in exabytes. Until recently, enterprise data growth has been measured in petabytes.
