How to check the storage space on your Mac [2025]

This article explores a variety of ways to check the storage space of MacBooks and provides practical tips for optimizing storage space. Whether your Mac is running slow or you just want to keep your storage in order, this article will help you.

What is Mac storage space?

Simply put, storage space is where the Mac saves all content, including applications, photos, videos, system files, etc. System data occupies important storage space, which is crucial for the normal operation of the Mac.

What occupies my Mac storage space?

Understanding what factors occupy your Mac storage is the first step to effectively managing space. Large applications, system files, caches, and old backups can be the culprit. Media files (HD photos and videos) are also common space occupants. There are also many files you have forgotten in the download folder.

Quick Solution:

question	Solution
Don't know the total disk space	View disk information in Apple Menu > About this machine.
Message storage space	Clean up digital clutter with CleanMyMac.
Detailed disk analysis is required	Check Mac storage space with Disk Utility.
Want to check storage space and Mac performance	Use iStat Menus to monitor storage space, CPU load, temperature, etc.
Need general information about Macintosh HD	In Finder, right-click Macintosh HD>More Information.
Want to expand storage space	Connect your cloud storage account to your Mac's Finder via CloudMounter.
Need a command line solution	In the terminal, type df -h and view the disk space of /System/Volumes/Data row.

One-click detailed Mac monitoring

Use iStat Menus to access key metrics for your Mac, such as storage and memory statistics. Available on Setapp, which offers over 250 Mac, iOS and web applications.

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How to check disk space on your Mac

Apple provides a variety of ways to view Mac disk space. If you don't want to remember many steps, a comprehensive Mac monitoring app like iStat Menus might be the best choice for you. The application collects key information about key Mac metrics, including not only storage space and memory statistics, but also CPU load, disk activity, temperature monitoring, and more. All this information can be viewed in the menu bar with just a click of the mouse.

Method 1: View Mac storage space through "About this machine"

If you don't have a dedicated app like iStat Menus installed, this method is probably the easiest. With just a few clicks, you can get detailed information about what factors occupy the space of your Mac.

1. Click the apple icon in the upper left corner and select "About this machine" in the drop-down menu.
2. Click the "Storage" tab.
3. Scroll down to find the Storage section, which shows the number of gigabytes available on your Mac.
4. Click "Storage Settings" to view the spaces listed in detail by category. Hover over the bar chart section and you will see the category name and its size of space it takes.

Method 2: View Mac storage space through disk tools

Disk Utility is a built-in application for macOS, designed specifically for managing storage devices. With it, you can format drives, combine multiple disks, check MacBook memory, and more.

1. Open Disk Utility (you can find it via Spotlight).
2. In the sidebar, select Macintosh HD and view all stored information.

Method 3: Use Finder to view Mac storage space

1. Click Finder on the Dock.
2. In the sidebar, find the Positions block and click on the MacBook.
3. Right-click on Macintosh HD and click "More Information".
4. View stored information in the "General" block that opens.

Method 4: View Mac storage space by quickly viewing

1. Open Finder and go to Finder Settings on the menu bar.
2. In the General tab, select Hard Drive, and close the window.
3. Find the icon for your Mac drive on your desktop.
4. Click the icon and press the Spacebar.
5. A quick view window will appear, allowing you to check the available storage space on your Mac.

Method 5: View Mac storage space through the terminal

1. Go to Finder and click "Apps" in the sidebar.
2. Find the Utilities folder, open it, and click Terminal.
3. Type df -h and press Enter.
4. After all disk lists appear, look for the /System/Volumes/Data line. In the "Avail" column, you will see the available space size.

Best Practices for Mac Storage Optimization

Free up disk space: Delete unused applications and large files, clean the system and application cache (operate with caution to avoid deleting important files). CleanMyMac can automatically scan and delete unnecessary files.

Use organizational strategies: organize files into folders, archive files that are rarely used, and move large or infrequently used files to cloud storage (iCloud, Google Drive, Dropbox, etc.). CloudMounter connects cloud storage accounts to Finder on Mac.

Regular maintenance: Regularly update applications and macOS systems and schedule automatic backups (Get Backup Pro).

Summarize

Apple provides a variety of ways to view Mac storage space, but most of them can only view general information. Apps like iStat Menus provide more detailed analysis, and applications like CleanMyMac can help clean and optimize storage space. The Setapp platform provides a variety of applications that can meet various needs.

FAQ

How to find storage space on your Mac?

Click the Apple icon in the upper left corner, select "About this machine", and select "Storage".

How to check iCloud storage space on Mac?

Click the Apple icon in the upper left corner, select "System Settings", then click your Apple ID, and then select "iCloud".

Can I add more storage space to my MacBook?

External hard drive or cloud storage services can be used. Some older Mac models allow for the replacement of internal hard drives or SSDs.

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