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Aspect Ratio Calculator
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About Aspect Ratio Calculator
Calculate aspect ratios from dimensions. Shows the simplified ratio, decimal value, CSS property, and common sizes at the same ratio.
How It Works
Enter dimensions like '1920x1080' and the tool calculates the simplified ratio, decimal value, megapixel count, CSS aspect-ratio property, proportional sizes at different scales, and the closest standard ratio.
Frequently Asked Questions
What is the most common web aspect ratio?
16:9 is standard for video and widescreen. 1.91:1 (1200×630) is the standard for OG images and social sharing previews.
How do I use CSS aspect-ratio?
Use 'aspect-ratio: 16 / 9;' in CSS. The browser maintains the ratio automatically. In Tailwind, use 'aspect-video' (16/9) or 'aspect-square' (1/1).