Instagram Image Size Guide 2026 - Optimal Dimensions for Posts & Stories #3890410 (License: Personal Use)

This visual guide outlines Instagram’s current optimal image dimensions: landscape posts at 1080×556 px, portrait posts at 1080×1450 px, and stories at 1080×1920 px. Each layout features a consistent Capricorn constellation clipart on a dark background to illustrate proper framing and aspect ratios. The diagram includes clear labels and measurement lines for precise design implementation.

Used by social media managers, designers, and content creators preparing assets for Instagram feeds and Stories; supports user intent to optimize post visibility, avoid cropping, and maintain brand consistency across formats.