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Lock an aspect ratio and calculate the missing dimension. Enter a width and ratio (like 16:9) to find the height, or enter both dimensions to determine the ratio. Useful for resizing images, videos, and design layouts without distortion.
Find the right height when scaling a photo to a new width while preserving proportions.
Calculate frame dimensions for standard and ultrawide aspect ratios.
That is 16:9, the standard widescreen ratio used by most monitors and TVs.
Yes. Type any two numbers separated by a colon, such as 3:2 or 2.35:1.
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.