Aspect Ratio Calculator
Enter width and height to find the aspect ratio, or add a new width to calculate scaled dimensions.
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Frequently Asked Questions
What is 16:9 aspect ratio?
16:9 is the standard widescreen ratio used by HD/4K TVs, YouTube, and most monitors. It means for every 16 units of width, there are 9 units of height.
Common aspect ratios for social media?
Instagram square: 1:1. Instagram portrait: 4:5. Twitter/X post: 16:9. Pinterest pin: 2:3. Facebook cover: 2.7:1.