Cloud storage ยท 9 min read
How to view folder sizes in Google Drive
Google Drive shows you the size of individual files, but it doesn't roll those numbers up to the folder level. There's a good reason for that, and there are also a handful of ways to get the folder-by-folder view when you need it. Here's how Drive thinks about storage, what's already built in, and the tools that make cleanup easy.
Why Google Drive doesn't show folder sizes
Google Drive was designed around the idea that files can live in multiple places at once. A single document can be shared into several folders without being duplicated, which means a folder in Drive behaves more like a label than a traditional container. That's a genuinely powerful model for collaboration — it's part of what makes Drive so good at sharing — but it also means a single "folder size" number would be ambiguous when shared content, items owned by other people, and shortcuts are in the mix.
For most day-to-day use that tradeoff is invisible. It only starts to matter when you get a "Your storage is almost full" notice and want to know where to focus your cleanup.
What Google Drive does tell you
Drive actually has a couple of helpful built-in views that are worth knowing about before you reach for anything else. If you visit drive.google.com/drive/quota, Drive will list every file you own, sorted by size. It's a great way to spot a stray 4 GB video or an oversized export. The view is organized by file rather than by folder, so for a folder-level picture you'll want to combine it with one of the approaches below.
You can also see your overall quota at one.google.com/storage, which shows how usage is split across Drive, Gmail, and Photos. That's the right starting point for understanding the big picture.
Manual ways to estimate folder sizes
A few do-it-yourself approaches will get you a folder-level number. Each has tradeoffs worth knowing before you pick one.
Download the folder and check its size
Right-click a folder in Drive and choose Download. Drive packages it as a zip and sends it to your computer, where you can read its size like any other folder. This works well for smaller folders. For larger ones, packaging takes a while, and because the zip is compressed the on-disk size won't exactly match the number counted against your quota.
Use Drive for desktop and let your OS do the math
Google's Drive for desktop app mirrors your Drive to a local folder, so Finder or File Explorer can show folder sizes the way you're used to. It's a great fit if you already sync Drive locally. Worth knowing: it works best when most of your content is synced, and it focuses on items you own rather than items shared with you.
Roll your own with Google Apps Script
If you're comfortable writing a little code, you can use Apps Script or the Drive API to walk a folder recursively and total up file sizes. It's a flexible option if you have specific reporting needs, and it gives you exact control over how shared files and shortcuts are handled. For most people it's more work than the answer is worth.
What a dedicated storage space explorer adds
On your computer, tools like WinDirStat, GrandPerspective, and DaisyDisk have made disk visualization a familiar genre — they scan your drive, group files by folder and type, and surface the largest items in a glance. A few third-party apps bring that same experience to Google Drive by building on top of the Drive API.
A good Drive storage analyzer typically offers:
- Folder sizes that include nested subfolders
- Sorting from largest to smallest so the biggest items surface first
- Breakdowns by file type — videos, photos, PDFs, installers, raw camera files
- Duplicate detection, since copies of the same file can quietly add up
- Filters for old or rarely-touched files
- Bulk actions so you can clean up without opening each file
The tool I actually recommend: Filerev
After trying most of the options out there, the one I keep coming back to is Filerev. It connects to your Google Drive, scans everything, and presents a clean folder-size view alongside breakdowns by file type and age, automatic duplicate detection, and a "hidden files" view for items orphaned in the root of your drive.
The thing that makes it useful day-to-day is that you can act on what it finds without leaving the app — bulk-select a few hundred old screen recordings, send them to the trash, and watch your quota drop in real time. It has a free tier that's enough to see what's going on, and the paid plan is a nice complement to your existing Google One subscription if you'd rather clean up than upgrade.
Frequently asked questions
Can I see folder sizes in Google Drive natively?
Not directly at the folder level. Google Drive shows file sizes and provides an account-wide storage view at drive.google.com/drive/quota, which lists individual files sorted by size. For folder-level totals, you can combine that with Drive for desktop or use a third-party storage analyzer.
Why is my Google storage full when I've barely used Drive?
Your Google account quota is shared across Drive, Gmail (including attachments), and Google Photos. Large email attachments, original-quality photo backups, and forgotten exports are common sources of usage. A storage analyzer can show what's living where.
Do shared files count toward my storage?
Files shared with you count against the owner's quota, not yours, even if they appear in your Drive. Files you own count against your quota even when they live in someone else's shared folder. This is one of the things that can make folder totals tricky to reason about by hand.
Will a third-party tool see my files?
Reputable tools authenticate through Google's standard OAuth consent screen and only request the permissions they need. They don't store your file contents — they read metadata (names, sizes, types, parents) to compute the totals. Always check the consent screen for the scopes being requested before approving.
What's the fastest way to free up space right now?
In order of impact: empty your Drive trash (deleted files still count for 30 days), delete large email attachments in Gmail, look for original-quality photos in Google Photos, and finally use a storage analyzer to find the giant folders you forgot about. The last step is usually where the real wins are.
Does deleting a folder in Drive actually free space?
Not immediately. Deleted items sit in the Trash for 30 days before being permanently removed, and they continue to count against your quota during that time. Empty the trash to actually reclaim the space.
The short version
Google Drive doesn't show folder sizes directly, but between the built-in storage view, Drive for desktop, and a dedicated tool like Filerev, you have a clear path to understanding where your space is going. A few minutes of scanning is usually all it takes to find the items worth cleaning up.