2023 · Instagram Reels sizes: 1080 x 1920 pixels; This is an aspect ratio of 9:16. Cover photo: 1080 x 1920 pixels; Keep in mind that Reels are cropped to a 1:1 image in your profile feed and a 4:5 image in the home feed. Instagram ads image sizes: Landscape: 1080 x 566 pixels; Square: 1080 x 1080 pixels; Minimum width: 320 pixels; Maximum width: 1080.