Need to know the size of a particular file? Or have you ever wondered how large a particular folder is on a Mac? With a simple trick you an quickly get the size of any file, folder, or item as found within the Finder file system of Mac OS.
This tutorial will walk through using the Get Info panel in Mac OS to be able to quickly discover the storage size of any given file or folder on a Mac. You can access the Get Info panel through a menu item, or a keyboard shortcut. The tricks work the same on all versions of Mac OS and Mac OS X, as the Get Info capability has been around on the Mac since the Classic era.
How to Get the Size of Individual Files or Folders in Mac OS Finder
- From the Finder of Mac OS, navigate to the parent directory containing the file or folder you want to get the size of Select the file or folder you wish to retrieve the size of Pull down the “File” menu and choose “Get Info”
The items total size will be revealed in the top corner of the Get Info window, and lower you will find both the total file size of all items within that folder as well as the item count for the folder
You can close the Get Info window when finished reviewing the data.
The Get Info panel reveals a lot of other helpful as well, including creation and modification date, tagging information, file comments, file origin, file locking, sharing and file permissions, what app the file opens with, and more.
Find Size of a File or Folder with ‘Get Info’ by Keyboard Shortcut
You can also use the “Get Info” keyboard shortcut to quickly access the same information:
Select any file or folder in the Finder of Mac OS, then hit Command + i keys to bring up the Get Info panel
Regardless of how you access the Get Info panel, the results are the same. You can also access the Get Info panel of a file or folder result returned via the search feature Spotlight.
You can also see the file size of a Finder item when the active directory is in the List view.
If you’re the type of person who likes to see as much information as possible at a glance, you’ll likely appreciate always showing folder sizes in Mac OS, and you might also want to enable the Show Item Info option for the Mac Desktop and Finder as well, which will reveal additional information for files and folders shown in the standard Icon view.
It’s worth mentioning that this is not the only way to reveal the size of files and folders in Mac OS. You can also use a setting to calculate and reveal folders sizes in List view, or you can find large files and folders on a Mac by using the Finder Search feature to narrow down items within the file system based on their size. And of course there are a variety of third party disk space analyzers that also make it extremely easy to locate folders and items based on file size, which can be handy tools for tracking down disk storage hogs. And of course you can also turn to Terminal and get the size of a directory from the command line or a file that way as well.