Images
Aspect Ratio Calculator
Find the aspect ratio of an image or calculate new dimensions while maintaining the ratio.
Aspect Ratio
Frequently Asked Questions
What is aspect ratio?
Aspect ratio is the proportional relationship between the width and height of an image or screen. It is usually expressed as two numbers separated by a colon, like 16:9.
How do I use this tool?
You can either enter a width and height to find the aspect ratio, or enter a known ratio and one dimension to calculate the missing dimension.
What are common aspect ratios?
Common ratios include 16:9 (HD video), 4:3 (standard TV/monitor), 1:1 (square/social media), and 9:16 (vertical video/stories).
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