How to Check Disk Space on Mac: Available and Used Space

Last Updated on Nov 10, 2020

Boost your Mac OS X performance with some hidden tricky ways, in that storage space is the fundamental pillar of all about stability. So we can’t justify on how many space remaining in large Mac’s storage capacity. Because of significant daily updates on Applications, iTunes or other chained apple devices. So here I tried to point how you can Check Disk Space on Mac before you need large storage capacity, that’s required space, Or Showing alert message like the disk is almost full.

we are happy to help you, submit this Form, if your solution is not covered in this article.

Also, how we can leave behind all the queries related to hard drive storage space as prevention methods, mostly you can’t take cognizance at the right time.

Steps on Check Disk Space on Mac: MacBook Pro, MacBook Air, iMac Pro & All Macs

Step #1. Go to the Apple menu from the top right corner of the screen.

Know all about your Mac System

Step #2. Next, Under apple menu, Tap on About This Mac.

Step #3. There you can check presently installed OS X on your Mac in detailed. Like current version, Processor, Memory, Startup disk and Serial number.

Step #4. For check all about space on hard drive, Tap on Storage tab from the top.

how check disk space on Mac macBook Pro Air Mojave later


If your Mac is running more than one desktop OS with OS X, Then you can check free space individually in the separate partition. In below screen, you can see Macintosh HD running on macOS Mojave.

Also get where space used by your system likes apps, Media, Photos, Movies, Backups, and Others. Also how many data space consume in MBs/ GBs.Check the storage space on Mac OS X Yosemite, Mavricks

Bootcamp: install Windows in the separate partition using Bootcamp.

Check External disc or USB Drive Storage Space on Mac Using Disk Utility

If you guy, want to check your external memory storage devices like USB Pen drive, external hard drive, etc. Space you won’t check by the above-given method. Henceforth, you should follow bottom guide will let you check outer disk space on your Mac running Mojave or later!

Open Finder > Click on Applications > Navigate Utilities Folder> then click on Disk Utility to see external drive storage space quickly.
Alternatively, you can use Spotlight search to Open Disk utility pan in a shortcut way.

Check External disc or USB Drive Storage Space on Mac Using Disk Utility

See given screenshot in them you can see a sidebar on the left-hand side that shows various devices, suppose you attach more USB device or external drives then it will appear on the screen.


Manage and fix storage after Check Disk Space on Mac on macOS Mojave, High Sierra, EI Capitan. You should go with below guide,

  • Delete unused or old file for clear space on Mac
  • Move Data to an external drive: Personal Storage for Mac: High Capacity and more Secure
  • Install another hard drive in Mac

You might also like: Check Storage Space on iPhone

For the Refurbished iMac, MacBook, MacBook Pro, Air buyer and Seller above guide is handy to check the Storage Space on Mac.

jaysukh patel

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [email protected] [OR] [email protected]

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