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🖼️ Aspect Ratio Calculator

Resize images and video without distortion

Loading interactive aspect ratio calculator…

About the Aspect Ratio Calculator

Resize images, videos or canvases without distortion. Enter the original width and height plus a new width, and the matching height pops out instantly.

Useful for video exports, social posts, thumbnails and responsive design work.

How it works

  1. Enter the original width and height.
  2. Enter a new width (or new height).
  3. Read the matching dimension that keeps the ratio.

What you'll learn

  • How aspect ratios are expressed (16:9, 4:3, 1:1).
  • Why locking ratio prevents distortion when resizing.

FAQs

What is the standard video aspect ratio?
16:9 is standard for landscape video. 9:16 for vertical, 1:1 for square.

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