Aspect Ratio Calculator

Calculate aspect ratios, missing dimensions, and simplify ratios for any image or screen size.

Aspect Ratio Calculator

Solve for:

Height
1080px
1920×1080
16:9

Common aspect ratios:

What is Aspect Ratio?

Aspect ratio describes the proportional relationship between width and height. It is expressed as W:H (e.g. 16:9 for widescreen or 4:3 for standard). Maintaining aspect ratio prevents images and videos from appearing stretched or distorted.