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Aspect Ratio Calculator

Calculate aspect ratios from dimensions, or resize while preserving ratio. Visual preview included.

Enter width and height to calculate the aspect ratio

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How to Use Aspect Ratio Calculator

Calculate and convert aspect ratios for images, videos, and screens. Find dimensions that maintain any given ratio.

1

Enter Dimensions

Input width and height values to calculate the aspect ratio automatically.

2

Lock the Ratio

Choose a common ratio like 16:9, 4:3, or 1:1 to lock proportions.

3

Calculate New Size

Enter one dimension and the tool calculates the other to maintain the ratio.

Common Use Cases

Video Production

Calculate frame dimensions for different video formats and platform requirements.

Responsive Design

Maintain consistent aspect ratios for images and containers across screen sizes.

Print Layout

Calculate dimensions for photo prints and posters while preserving original proportions.

Pro Tips

  • -Use 16:9 for modern widescreen displays and video content production.
  • -Lock aspect ratio before resizing images to prevent stretching or distortion.
  • -Common social media ratios include 1:1 for posts and 9:16 for stories.