Storage capacities and file sizes are measured (from lowest to highest) in:
An operating system abbreviates these measurements, eg 1 megabyte becomes 1MB (megabyte).
The table below outlines the relationship between bits (smallest) and terabytes (largest):
|8 bits||1 byte|
|1024 bytes||1 kilobyte|
|1024 kilobytes||1 megabyte|
|1024 megabytes||1 gigabyte|
|1024 gigabytes||1 terabyte|
The size of a file and a storage device's capacity will always be written in its simplest form. For example, an operating system would report a 1 terabyte hard disk's size as 1TB not as 1024 GB, although both are correct.
The table below lists files commonly found on a computer and their typical file size (compressed):
A file’s size can be influenced by a number of factors but ultimately the more information a file stores, the larger it will be.