How to find a Folder size in Windows 10

This brief tutorial shows students and new users how to check a folder size when using Windows 10.

With Windows File Explorer, one can view file sizes in the size(s) column but not for folders.

If you’re new to Windows and want to find the size of a specific folder to see how big its content is, you can use the steps below.

For student or new user looking for a computer to start learning on, the easiest place to start is Windows 10. Windows 10 is the most recent version of operating systems for personal computers developed and released by Microsoft as part of its Windows NT family.

To get started with viewing folder sizes in Windows 10, follow the steps below:

File Explorer

File Explorer is Windows is the folder icon you see at the bottom of your screen on the taskbar.

To open File Explorer, select its icon  on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard.

Next, right click on folder for which you want to view its size, and click on “Properties” in context menu.

This will display folder properties dialog showing folder size in “Size” and “Size on disk” display field.

This also gives you other details like when the folder was created, files and other sub-folder within the folder, count and folder attributes (like hidden and read-only) and more.

Mouse hover

Another way to view folder size is to hover your mouse over on the folder in File explorer to display hover-over tooltip with folder size.

There might be others ways to view folder sizes in Windows, however, the two methods above will come in handy when you want to quickly get the size of a folder.


This post showed you how to quickly and easily find folder sizes in Windows 10. If you find any error above, please use the form below to report.