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Calculate and scale aspect ratios for images, videos, and screens. Maintain exact proportions for any device resolution.
Fill one field to auto-calculate the other
Scaling visual assets mathematically is critical for modern web performance and UI consistency. Eliminate layout shift instantly.
An aspect ratio describes the relationship between width and height. Maintaining this ratio is vital to prevent image distortion, often referred to as "squashing" or "stretching." Our calculator ensures your assets remain perfectly proportioned regardless of scale.
Google heavily penalizes Cumulative Layout Shift (CLS). By explicitly stating width and height in your CSS, the browser can reserve the correct space before an image loads. Use this tool to find the exact dimensions for any container width.
Explicitly define dimensions to achieve perfect Cumulative Layout Shift (CLS) scores.
Instantly apply presets for 16:9 Widescreen, 9:16 Vertical, 1:1 Square and more.
Calculate proportional heights for your responsive container widths automatically.
Supports ultra-high 4K and 8K resolutions for professional video and print workflows.
GraphiKly tools are engineered with a privacy-first approach. All processing happens directly in your browser using modern WebAssembly and WebGL technology. No data ever leaves your device.