The short version: The correct frame size for Instagram Reels is 1080 pixels wide by 1920 pixels tall, a 9:16 vertical ratio, exported at 30fps or higher. Get that number right and you’ve solved maybe sixty percent of the problem, because Instagram still crops your reel differently depending on where someone sees it, and almost every guide on this topic conveniently skips that part.
The exact number, no hedging
1080 x 1920 pixels. That’s it. That’s the frame size Instagram was built for, and it’s the size their own creator tools recommend if you check the upload guidelines inside the app itself.
A few things that go with that number and matter just as much as the number itself:
- Aspect ratio: 9:16, full vertical
- Frame rate: 30fps minimum, though I export everything at 30fps and have never had an issue
- File size cap: 4GB
- Length: up to 3 minutes, though anything you’re editing for reach should sit under 90 seconds
- Bitrate: aim for at least 5,000 kbps for a clean upload, higher if there’s fast movement in the shot
If you want the fuller breakdown of the ratio side of things on its own, I’ve written a separate piece on the correct Instagram Reels aspect ratio that goes into why 9:16 beats the older 4:5 and square formats for reach.
Why “1080 x 1920” isn’t the whole answer
Here’s the bit that most articles on this exact topic leave out entirely: getting your frame size right does not stop Instagram from cropping your reel.
Your reel gets shown in at least four different places, and each one crops the frame differently:
- The main Reels tab, which shows the full 9:16 frame
- The main feed, which shows a slightly shorter crop with UI elements over the top and bottom
- Your profile grid, which shows a cropped square thumbnail of the middle of your video
- Explore, which crops it again to fit alongside other content
So the “correct” frame size gets you onto the platform correctly. It does not guarantee your text, your face, or your product shot stays visible everywhere that video shows up. I’ve had clients export a technically perfect 1080 x 1920 file and still have their captions chopped off in the feed view because they put text right at the very top of the frame.
Safe zones: the part that saves your video
Within your 1080 x 1920 frame, keep anything important, faces, text, key visuals, inside these margins:
- Top: leave roughly 250 pixels clear, that’s where the account name and caption preview sit
- Bottom: leave roughly 320 pixels clear, that’s where the caption, music info, like and comment icons, and share buttons all live
- Sides: keep about 60 pixels clear on each edge so nothing gets clipped on older devices or slightly different screen ratios
If you’re editing in CapCut, Premiere, or Canva, most have a “safe zone” overlay you can switch on. Use it. I switch mine on for every single reel now because I got burned once and I don’t intend to get burned twice.
A real example: the reel that got cropped by our own client
A few years back I was working with a small ecommerce brand on their launch content. Their in-house designer built a reel with a bold discount code, “20% OFF TODAY,” sitting right at the very bottom third of the frame, styled beautifully, on brand, looked great in the raw export.
Uploaded it, checked it on the Reels tab, looked perfect. Then someone saw it in their regular feed scroll and the discount code was almost entirely hidden behind the caption text and the like button. The video had 40,000 views by the time anyone flagged it. We have no way of knowing how many people would have used that code if they’d been able to read it.
The frame size was correct. 1080 x 1920, right ratio, right export settings. The mistake wasn’t the frame size at all, it was ignoring where the platform physically puts its own buttons on top of your video. That’s the uncomfortable bit nobody tells you when they hand you the “1080 x 1920” number and call it done.
Step by step: exporting a reel at the correct frame size
Here’s exactly how I set this up, whether I’m cutting in CapCut on my phone or Premiere Pro on my laptop:
- Set your canvas or sequence to 1080 x 1920 before you start editing, not after, so nothing gets stretched or squeezed later
- Shoot vertically in the first place if you can. If you’re combining horizontal clips, blur or fill the background rather than leaving black bars
- Turn on the safe zone overlay in your editor and keep text and faces inside it
- Export at H.264, MP4, 1080 x 1920, 30fps minimum, bitrate 5,000 kbps or higher
- Preview the export in the actual app, not just on your desktop, before you post it live
If you want the full rundown on codecs, bitrate, and why MP4 with H.264 still beats the alternatives, I’ve covered that separately in what video format works best for Instagram Reels, and the resolution side, including why some phones default to the wrong export size without you noticing, is in what resolution you should export Instagram Reels in.
Cover photos need their own frame size thinking
Your reel’s cover, the thumbnail people see on your grid, is not the same shape as the video itself. The grid shows it as a cropped square-ish rectangle, so if you’re picking a custom cover image or a specific frame from your video, choose one where the important detail sits dead centre. I’ve seen brand logos and faces end up half cut off on the profile grid because the cover frame was chosen from footage where the subject was off to one side, which looked fine in the full 9:16 video but terrible cropped down for the grid.
What happens if you get the frame size wrong
Upload a square 1080 x 1080 video or an old horizontal 1920 x 1080 file and Instagram will either add black bars to fill the vertical space or crop your video down to fit, depending on the file. Either way, you lose screen real estate, and reels that don’t fill the full vertical frame get noticeably less watch time in my own testing across client accounts, because there’s simply less to look at and the eye slides off it faster on the scroll.
If you’re also seeing playback problems on top of frame size issues, laggy scrolling, uploads that stall halfway, that’s usually a separate file size or compression issue rather than a frame dimension one, and I’ve written about that specifically in why Instagram Reels lag when you scroll or upload.
Where this fits if you’re building a wider content system
Getting one reel’s frame size right is a five minute fix once you know the numbers. Getting a whole content operation to consistently export correctly, across a team, across different editors, across different phones and apps, is a different problem entirely, and it’s one I see slow businesses down constantly when they’re trying to scale content without scaling process. If you’re at the point where inconsistent formatting is costing you reach every week and nobody on the team has time to chase it, that’s usually a sign it’s worth bringing in outside AI consultant support for small business to build the checklist and the workflow once, rather than everyone guessing forever.
And if something’s broken rather than just imperfect, uploads failing, exports coming out the wrong shape no matter what you set, my full Instagram help guide covers most of the fixes in one place.
If that raises the next question, see How Many Reels Are Uploaded to Instagram Right Now? Here’s the Honest Maths Behind That Number.
If your question is a different Instagram Reels one, the Instagram Reels guide lists every answer I have written.
Frequently asked questions
What is the correct pixel size for Instagram Reels?
1080 pixels wide by 1920 pixels tall, a 9:16 vertical ratio. That’s the frame size Instagram’s own upload guidelines recommend and the one that displays without cropping or black bars on the main Reels tab.
Can I use 1080 x 1350 for a reel?
You can upload it, but Instagram will add black bars top and bottom to fill the vertical space, since 1080 x 1350 is a 4:5 ratio built for feed posts and carousels, not full-screen reels. It will play but it won’t fill the frame.
Why does my reel look cropped in the feed but fine in the Reels tab?
Because the feed view sits caption text and interaction buttons over the top and bottom of your video, while the Reels tab shows the full frame edge to edge. Anything placed outside the safe zone, roughly 250 pixels from the top and 320 from the bottom, gets covered in feed view even though the underlying video is correctly sized.
Does frame size affect how many views a reel gets?
Not directly through any ranking penalty, but reels that don’t fill the correct 9:16 frame lose visible screen space, which tends to lower watch time, and watch time is one of the strongest signals Instagram uses to decide how widely to distribute a reel.
