Instagram is an amazing platform, but when it comes to posting images, then there are some standard sizes for uploading photos and videos on the app. So, below is the list of sizes so that you can adjust your image and post a instagram profile picture full size:-

1. Square posts, aspect ratio 1:1

2. Landscape posts, aspect ratio 1.91:1

3. Vertical images, aspect ratio 4:5

4. Images for instagram stories, aspect ratio 9:16