What size should Instagram Reels be?

Answer: 1080 x 1920 pixels (by a 9:16 aspect ratio).


Best Size for Instagram Reels

1080 x 1920 pixels with a 9:16 aspect ratio is what you should be aiming for in 2024.

This sizes ensures that your Reel’s perfectly visible on any screen size (e.g. PC, iPhone, iPad etc).

1. Size Ratio

  • 9:16 if viewed in full-screen
  • 4:5 if viewed in the Instagram newsfeed
Size ratio for Instagram Reels: Feed vs Full-Screen

It really depends on where Instagram shows your Reels — ultimately, that’s not up to you, but rather to the Instagram Algorithm.

2. Frame Size

  • 1080px wide
  • 1920px high

Only use Vertical videos for your Reels — never go for horizontal videos, as they’re the exact opposite of Instagram Reels’ purpose.

Infographic highlighting the size of IG Reels

Horizontal videos often get badly cropped (automatically, by Instagram).

3. Cover Size

The cover of is what people see on your IG profile’s “Reels” section” before tapping to watch the Reel.

Highlighting the cover of an Instagram Reel

Important: Covers can’t be edited/changed after the Reel is live.

4. Thumbnail Size

  • 1080 x 1080 px
  • 1:1 aspect ratio

Thumbnails are shown in your FEED, not under the ‘Reels’ section → that’s why they’re square images, just like any other Instagram post.

Infographic highlighting the thumbnail of IG Reels

While they may sound similar, they’re two different images.

5. Safe Area

  • 1080 x 1350 pixels
  • 4:5 aspect ratio
Highlighting where's the safe area for text on Instagram Reels

This is because at the top, bottom and right side of your screen are Instagram’s Interface Elements.

e.g. Likes, comments, Shares, caption, user’s profile.

6. Captions Length

  • Limited at 2,200 characters
  • Doesn’t allow links (URLs)
Caption on Instagram Reels

However, you’re not going to need a long captions — even though we’ve seen a couple of trends in the summer of 2024 where people had super long captions.

A notable example is the classic “The Mercedes CLR GTR” caption which randomly described one of Mercedes-Benz‘s super powerful cars in posts that were unrelated (e.g. memes or any kind of funny video).

7. Reel length

  • Recorded on Instagram: 90 seconds
  • Uploaded videos: 15 minutes.
Highlighting the video-progress bar (length) on Instagram Reels

If you hold the ‘record’ button, Instagram allows you to record for max. 90 seconds.

However, if you’re editing and scheduling posts with SendShort, your limit is now huge, at 15 minutes.


FAQ

1. What is the safe zone on Instagram Reels?

Answer: The safe zone for Instagram Reels in 2024 is within the center 1080×1420 pixels of the 1080×1920 canvas.

Pro Tip: Avoid placing critical elements in the top and bottom 250 pixels to keep them visible and unobstructed.

2. What is the custom size of Instagram Reels?

The custom size for an Instagram Reel is 1080 pixels wide by 1920 pixels tall.

3. Does Instagram resize Reels?

Yes, Instagram automatically resizes Reels to fit the 9:16 aspect ratio, which is 1080×1920 pixels, regardless of the original dimensions.


Thanks a lot for reading this,
David Ch
Head of the Editing Team at SendShort

Related: Resize video for Reels.

About the author

David leads the editing team at SendShort. With this help, the team delivers the latest guides on using your favorite social media apps and creating short-form content.