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Calculate dimensions based on ratio.

📘 How to Use

  1. Select a preset (e.g., 16:9, 4:3, 1:1) or enter a custom value in the ratio field.
  2. Enter a numerical value (px) for either the width or the height.
  3. View the automatically calculated corresponding value in real-time.

Aspect Ratio Calculator

Aspect Ratio Calculator

Calculate dimensions based on ratio.

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Article

Aspect Ratio Calculator

💡 About This Tool

Resize images and videos without distortion. This tool calculates perfect dimensions instantly, ensuring your content looks sharp on any screen. Use it to maintain proportions for web assets, social media posts, or print layouts.

📘 How to Use

  • Choose Your Ratio Select from industry standards like 16:9 (Widescreen), 4:3 (Standard), or 1:1 (Square).
  • Calculate Instantly Enter either the width or height. The tool automatically generates the matching dimension to keep your aspect ratio locked.
  • Crop with Precision Use the calculated dimensions to crop photos for specific UI elements, such as website headers or app thumbnails, without stretching the image.

🧐 Frequently Asked Questions

Which ratio should I use?

  • 16:9: The standard for HD video and desktop monitors.
  • 9:16: Ideal for vertical content like Instagram Stories and TikTok.
  • 4:3: Common for digital photography and older displays.

What should I do with decimal results?

Digital screens use whole pixels. If your calculation results in a decimal, round to the nearest whole number to avoid rendering artifacts.

🎥 Fun Fact

Most blockbuster movies use a 2.35:1 ratio (CinemaScope). This ultra-wide format mimics human peripheral vision, creating the immersive "cinematic" experience you find in theaters.