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AI Aspect Ratio Calculator

Smart aspect ratio calculator for images and videos, supporting 16:9, 4:3, 1:1, 21:9 and more - essential for designers and video creators

Aspect Ratio Calculator

Interactive calculator coming soon

Features

  • ✓ Support 16:9, 4:3, 1:1, 21:9, 9:16, 2.35:1 and other common ratios
  • ✓ Enter any dimension (width or height), auto-calculate the other
  • ✓ Custom aspect ratio support for special needs
  • ✓ Pixel resolution reference table supporting 4K, 1080p, 720p standards
  • ✓ Batch calculate multiple sizes, export to CSV

How to Use

  1. Select preset ratio or enter custom ratio
  2. Enter known width or height
  3. Auto-calculate the other dimension
  4. View resolution reference, copy for use

FAQ

What's the difference between 16:9 and 4:3?

16:9 is widescreen (1.78:1) for modern TVs, monitors, YouTube. 4:3 is traditional (1.33:1) for old TVs and iPad.

Will videos be cropped on upload?

Depends on platform. YouTube supports multiple ratios, Instagram is best at 1:1 square, TikTok at 9:16 vertical. Tool provides platform recommendations.

How to calculate 2.35:1 cinematic ratio?

Divide width by 2.35 to get height. E.g., width 2350px, height = 2350/2.35 = 1000px.

Does it support DPI conversion?

Yes. Convert between pixels, centimeters, inches with 72DPI, 150DPI, 300DPI and other common resolutions.

What scenarios is this useful for?

Video production, image cropping, web design, print layout, social media cover creation - any scenario needing precise dimensions.