📐 Image Aspect Ratio Calculator
Calculate image dimensions and simplified aspect ratios (16:9, 4:3, 1:1, 9:16) for responsive web design, video formats, and social media media assets. 100% free.
Popular Aspect Ratio Presets:
⚙️ Dimension & Ratio Inputs
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Simplified Ratio:16 : 9
👁️ Proportional Visual Preview
16 : 9
❓ Frequently Asked Questions
How is image aspect ratio calculated?
An aspect ratio is the proportional relationship between an image's width and height. It is simplified by dividing both dimensions by their Greatest Common Divisor (GCD).
What are the most common aspect ratios for digital media?
Common ratios include 16:9 (Standard Widescreen Video/YouTube), 9:16 (Vertical Shorts/TikTok/Reels), 1:1 (Square Social Posts), 4:3 (Traditional Displays), and 21:9 (Ultrawide).
Is any image data uploaded to a server for calculation?
No. All mathematical ratio simplify algorithms and dimension scaling formulas execute 100% locally inside your web browser.
