How to Check Your Hard Disk Space

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How to Check Your Hard Disk Space

Four Methods:On WindowsOn MacOn iPhoneOn AndroidCommunity Q&A

This wikiHow teaches you how to see how much storage space remains on your computer or smartphone. This process is different than checking memory usage, which typically refers to a computer’s RAM (random access memory).


On Windows

  1. 1
    Open Start

    Image titled Windowsstart.png

    . Click the Windows logo in the bottom-left corner of the screen.

    • You can also press Win to open Start.
  2. 2
    Open Settings

    Image titled Windowssettings.png

    . Click the gear-shaped icon in the lower-left side of the Start menu.

  3. 3
    Click System. It’s a computer-shaped icon on the Settings page.

    • If Settings opens to a page other than the main Settings page, click the “Back” button in the top-left corner of the window until the “Back” button disappears.
  4. 4
    Click the Storage tab. This option is in the upper-left side of the Display page.
  5. 5
    Review your hard drive’s space usage. Below the “Local storage” heading at the top of the page, you’ll see an image of your hard drive with “Number used” and a “Number free” categories below it. The “Number used” section tells you how much of your computer’s hard drive is being used, while the “Number free” section tells you how much free space remains.
  6. 6
    Open your hard disk. Click the hard disk icon below the “Local storage” heading. This will open a comprehensive list that shows you how much space specific file types, programs, and so on are taking up, which will help you target areas for clean-up if you want to free up some hard drive space.


On Mac

  1. 1
    Open the Apple menu

    Image titled Macapple1.png

    . Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear.

  2. 2
    Click About This Mac. It’s at the top of the drop-down menu. Doing so opens a new window.
  3. 3
    Click the Storage tab. This option is at the top of the “About This Mac” window.
  4. 4
    Review your Mac’s hard drive space. In the upper-right side of the window, you’ll see the amount of storage remaining out of the total available storage on your computer (e.g., “15 GB free of 249 GB”).

    • You can see a color-coded breakdown of which programs are taking up the most space on this page as well.
    • If you hover over a color-coded section, you can see exactly how much space the section’s pertaining files (e.g., “Apps”) are taking up.


On iPhone

  1. 1
    Open your iPhone’s

    Image titled Iphonesettingsappicon.png

    Settings. This app is grey with gears on it. You’ll likely find it on the Home Screen.

  2. 2

    Image titled Iphonesettingsgeneralicon.png

    General. It’s near the top of the Settings page.

  3. 3
    Tap iPhone Storage. This option is near the bottom of the screen.
  4. 4
    Review your iPhone’s used and available storage. In the top-right side of the screen, you’ll see “Number GB of Number GB Used” (e.g., “45 GB of 128 GB Used”). The first number pertains to the amount of space on your iPhone that’s being used, while the second number pertains to your iPhone hard drive’s total space.

    • Subtracting the “Used” number from the total number will tell you how much available space your iPhone currently has.
    • You can scroll down to see exactly how much hard drive space each app is currently using.


On Android

  1. 1
    Open your Android’s Settings

    Image titled Android7settingsapp.png

    . This gear-shaped app is typically found in the App Drawer.

    • You can also swipe down from the top of the screen and then tap the gear-shaped icon in the drop-down menu.
  2. 2
    Tap Storage & USB. It’s in the “Device” section of the Settings menu.

    • On a Samsung, you’ll instead tap Apps.
  3. 3
    Review your Android’s storage space. At the top of the screen, you should see “X GB Used of Y GB” (e.g., “8.50 GB Used of 32 GB”). You can also view a breakdown of how much space each item on your Android is using on this page.

    • On a Samsung, you must first swipe right to the SD card tab.

Community Q&A


Add New Question

  • How much free space on a hard drive is best?
    wikiHow Contributor
    It depends on how much space you need — that is, on what you use your computer for. Gamers need much more space than the average user who simply uses a word processor occasionally and checks email does, for example.

  • I have a “C”, “D”, “E”, and “F” drive on my hard disk, do I add all 4 of them to give me Total HDD size?
    wikiHow Contributor
    Probably. You’d add all 4 of them then divide by how many drives you have on your computer. But since the C drive is more likely the mandatory drive in your computer, you’d just follow these methods.

  • How can I do this on Windows 10?
    wikiHow Contributor
    Go to File Explorer, and go to “This PC”. Look for your default hard drive, which by default is (C:), and from there you can check your total space, and how much you have used.

  • Is there an application for Windows to check how much space a folder is taking?
    wikiHow Contributor
    You can do that by right clicking the folder or file you want to check the space of and then clicking on Properties. After you do that, Windows will start calculating the space occupied by the folder/file. It may take some time if the file is large.

  • How can I check my hard disk space on Chromebooks?
    wikiHow Contributor
    Chromebooks don’t have hard disks, so you don’t need to check such a thing. However, you can find out how much space you have on the Google Drive page on Chrome.

  • I had 750 GB on my hard drive, partitions C (150 GB) E (500 GB) and F (100 GB) appx. After I merge all three, why can I only see the C drive with 150 GB?
    wikiHow Contributor
    You may have to do a hard reboot to see the changes.

  • How do I create more space on my computer?
    wikiHow Contributor
    By adding another hard drive. You can buy an external hard drive from any computer/electronics retailer.

Unanswered Questions

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    • Your item’s available hard drive space will always be less than was advertised. This is because a portion of the hard drive is used for the operating system and required files.
    • If you’re trying to clear space on your computer, note that you cannot change your hard disk space simply by dragging files into your trash; you must empty the trash to make more space.


    • If your hard drive is full, you’ll need to delete files or programs before you can add more to the hard drive.
    • Traditional hard drives will always run slower than optimal speed if they’re over halfway full. Solid State Drives don’t have this problem.

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