Aspect Ratio Calculator

Calculate and convert aspect ratios for images, videos, and screens

Common Aspect Ratios

Enter Dimensions

x

Results

Enter dimensions or ratio to see results

Common Sizes by Use Case

Video

Social

Print

About Aspect Ratios

An aspect ratio describes the proportional relationship between the width and height of an image or video. It's expressed as two numbers separated by a colon (e.g., 16:9).

  • 16:9 - The standard for HD and 4K video, YouTube, and most modern displays
  • 4:3 - Traditional television and computer monitors, iPad screens
  • 1:1 - Square format, popular for Instagram posts and profile pictures
  • 21:9 - Ultra-wide cinema format, used in movies and gaming monitors
  • 9:16 - Vertical video format for TikTok, Instagram Stories, and Reels