ITImage Toolkit

Image Toolkit

Aspect Ratio Calculator

Calculate image width and height ratios, or find a missing size for common target ratios.

Files are processed in your browser and are not uploaded to a server.

Common presets

Result

16:9

Resize-tool handoff is planned for a future update; this page currently calculates values only.

Common ratio notes

  1. 1.16:9 is common for video and wide images.
  2. 2.1:1 is common for profiles, thumbnails, and square social images.
  3. 3.9:16 is common for short-form and vertical mobile content.
  4. 4.Calculations run instantly in your browser.

How to use

  1. 1.Enter width and height to calculate the current ratio.
  2. 2.Switch mode to calculate a missing width or height for a target ratio.
  3. 3.Choose a preset when you need a common ratio.
  4. 4.Copy the result.

FAQ

Does this resize an image?

No. It only calculates dimensions and ratios.

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