Aspect Ratio Calculator

Calculate aspect ratios

🔒 This tool runs fully in your browser. No files or data are uploaded.
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How to Use

  1. Enter width and height values
  2. Or click a preset aspect ratio
  3. View the calculated aspect ratio and CSS code

FAQ

  • What is aspect ratio?
    Aspect ratio is the proportional relationship between width and height. It's commonly expressed as width:height (e.g., 16:9 for widescreen).
Disclaimer: CSS aspect-ratio property is supported in modern browsers. For older browsers, use padding-top technique.