Mastering Aspect Ratios for Social Media Content

By VexDocs Team Updated Dec 2025

Ever uploaded a photo to Instagram only to have it cropped awkwardly? That's an aspect ratio issue. Understanding these numbers is key to professional content.

Common Aspect Ratios

  • 1:1 (Square): Instagram posts.
  • 16:9 (Widescreen): YouTube videos, Twitter images.
  • 9:16 (Vertical): TikTok, Instagram Reels, YouTube Shorts.
  • 4:5 (Portrait): Instagram vertical posts (takes up more screen space).

How to Calculate Dimensions

If you know your width is 1080px and you need a 16:9 ratio, what should the height be? Don't guess—calculate it.

Aspect Ratio Calculator

Calculate dimensions instantly for any ratio.

Open Calculator