How to Display Folder Size in Mac OS X Finder

Posted March 19, 2011 at 2:36pm by iClarified | Please help us and submit a translation by clicking here | 110643 views
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These are instructions on how to get Mac OS X Finder to display the size of your folders. This is especially useful if you are trying to free up space on your drive and want to determine which files and folders are largest.

Step One
Launch a new Finder window by clicking the Finder icon in your dock


Step Two
Select Show View Options from the View menu at the top of your screen.


Step Three
Check the Calculate all sizes box.


Step Four
Notice that Finder will now begin to calculate the size of your folders. This may take some time depending on the size of your folders. You can now sort by size and actually see which folders are taking up the most space.

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Sonali - January 5, 2014 at 10:12am
This is really useful! Thank you for this!
twosaabs - September 1, 2013 at 7:44am
Perfect, thanks!
fred - June 14, 2013 at 7:55pm
awesome, thx for the tip!
gary - March 16, 2013 at 6:02pm
how come mi size option is not accessible for checking?
Joanne - March 20, 2013 at 1:31pm
Me too. The calculate all sizes box is grayed pout and I cannot check it.
Howard Barnett - December 12, 2012 at 12:56am
how do I get them on an external HD, even w/ firewire connection, it's calculating the sizes of folders for days. especially the Backups by Time-machine
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