Aspect Ratio Calculator

Calculate dimensions based on a target aspect ratio (e.g., 16:9, 4:3) for images and videos.

Target Aspect Ratio

Ratio: 16:9

Calculate

Width (px)

Height (px)

Aspect ratio is the proportional relationship between width and height of an image or display.

16:9 (widescreen) is the modern standard for videos, movies, and most digital displays.

4:3 (standard definition) was common for older TVs and legacy content formats.

1:1 (square) is popular for social media posts and profile pictures on modern platforms.

Aspect ratio calculator maintains proportions - changing width/height auto-calculates the other.

Preset ratios simplify common use cases - quickly switch between typical screen and media formats.