With a landscape photo, Instagram recommends sticking to the size of 1080 by 566 pixels and the aspect ratio of 1.91:1 (you can also post it in 16:9 for better quality).

A square photo should be 1080 by 1080 pixels with the aspect ratio of 1:1 so it won’t get cropped.

So here are the optimal Instagram photo sizes: But it’s best to follow the guidelines and post them with appropriate dimensions and aspect ratio to get the best quality of the image.

Note: Instagram will still compress photos you post. And if the width is over 1080px, Instagram will size it down. It means that if you post a photo with a width less than 320px, Instagram will enlarge it. Instagram supports photos with sizes from 320 to 1080 pixels. Similarly to the aspect ratio, image size shows the relation of the width and height of the pic, but in pixels. The first number stands for the width and the second one for the height. It’s shown by two numbers separated with a colon e.g., 5:4 or 16:9. To help you out, we’ve put together a quick guide about what dimensions to use and how to resize a pic for posting on Instagram.īefore posting a photo on Instagram, consider two things: the aspect ratio and the image size.Īspect ratio is the width of a photo in relation to its height. You know that moment when you see something Instagrammable, take a photo with your iPhone, post it, and… the best part gets cropped out? That happens because the dimensions of the image don't match Instagram's requirements.

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