Perfect Instagram image size and dimensions for 2021.

Perfect Instagram image size and dimensions for 2021.


Let’s face it: we’re drooling over all the latest Instagram features that allow you to share your best images and videos. Instagram Stories, Reels, IGTV images, and videos in your feed are all available in portrait, landscape, and square picture formats. There are a plethora of fantastic ways to interact with your followers and share eye-catching content.

Regardless of how fantastic these latest options are, determining the best Instagram picture size for your content can be a little tricky, right?

That’s why we’ve put together a fast guide to help you understand the various Instagram image size for and piece of content, as well as the best picture resolution to upload to Instagram for maximum clarity.

Understanding the Aspect Ratio and Image Size on Instagram:

The width of a picture in relation to its height is referred to as the aspect ratio. It’s expressed as a ratio, such as 4:5 or 9:16, with the first digit indicating the width and the second digit indicating height. If your images and videos don’t follow Instagram’s aspect ratio guidelines, they’ll be cropped to match a supported ratio, which might result in part of your image being lost.

The amount of pixels that make up the width and height of your picture or video is referred to as size (or resolution).

So, why does picture size matter on Instagram?

Despite the fact that Instagram compresses your images and videos, it’s still best to post at the highest resolution possible. As a consequence, when the app compresses your picture, the Instagram image size and quality will be unaffected.

Instagram Size Guide #1: Instagram Feed Posts

  • Square posts: Despite the fact that Instagram supports both horizontal and vertical images, square posts remain common, particularly since the Instagram profile grid crops content to a 1:1 ratio. Having your square images 1080px by 1080px is recommended. As a consequence, even though Instagram compresses the file, the final version would be high-quality.
  • Horizontal posts: Though Instagram recommends a 1.91:1 aspect ratio, you can go as high as 16:9. In any case, we suggest that the horizontal photo’s height be at least 1080px. As a result, even though Instagram compresses the image, the consistency should be preserved. Your horizontal picture would look great on Instagram without a border if you use these measurements.
  • Vertical posts: In general, the aspect ratio of your vertical images should be 4:5. Instagram can crop the material if it’s too long (like 4:6 or 4:7). Vertical posts are more optimized than horizontal posts because they take up more real estate while someone scrolls through their home feed. However, it’s a good idea to consider how they’ll appear in the Instagram profile grid once they’ve been cropped square.

Instagram Image Size #2: Instagram Carousel Posts

Carousel posts on Instagram can be circular, horizontal, or vertical, and can include both images and videos. If you’ve chosen your first photo or video, however, all subsequent images or videos will be cropped to the same aspect ratio. If you pick a square picture (as in the illustration above), all of your subsequent material will be cropped to a 1:1 ratio. The trick is to make sure that the shortest side of your picture is at least 1080px.

Keep in mind that there are limitations – if you upload a picture that reaches the aspect ratios (a photo’s width-to-height ratio), you’ll have to crop it.

Instagram Size Guide #3: Instagram Stories

On Instagram Stories, you can post pretty much anything as long as it has a minimum aspect ratio of 1.91:1 and a maximum aspect ratio of 9:16. We suggest a 9:16 aspect ratio with a resolution of 1080px by 1920px since most people want their stories to fill the entire screen (no borders).

Instagram Portrait Size

1080px by 1350px is the ideal photo size.

Are you trying to figure out how to post a whole image on Instagram without cropping it?

That’s what you can do in both portrait and landscape pictures! Portrait images are also pretty simple to get correct on the first attempt, but you may have to crop oversize vertical photos to fit within Instagram’s dimensions.


If you’re worried about which picture size is best for your content, or how using a mix of portrait, landscape, and square images would affect the look and feel of your 9-grid, we’ve got you covered. Don’t be concerned!

In your users’ feeds, your content will appear in the landscape, portrait, or square format, but in your real 9-grid, it will be cropped to a 1:1 square preview.

Plus, with an Instagram planning tool like Tailwind’s 9-Grid Preview, you can always map out your feed and double-check how all of your images fit together!

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