How do I calculate aspect ratio?

Divide both width and height by their greatest common divisor. 1920×1080 → 1920/120 : 1080/120 = 16:9. Or use the Aspect Ratio Calculator for instant results.

What aspect ratio is 1920x1080?

16:9. This is the standard HD/Full HD ratio used by most monitors, TVs, and YouTube videos.

What is the CSS aspect-ratio property?

A CSS property that maintains an element's proportions: aspect-ratio: 16 / 9 keeps the element at 16:9 regardless of its width. It replaces the old padding-bottom percentage hack.

How to Calculate Aspect Ratio for Images and Video

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