"File size" refers to the amount of space that a computer file occupies on a storage device, such as a hard drive or memory card. It indicates how much storage capacity is used by a specific file, and it is usually measured in units like kilobytes (KB), megabytes (MB), or gigabytes (GB). The larger the
file size, the more space it takes up on the storage device.
Full definition
Similar and related words and phrases are presented below.