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Aspect Ratio Calculator

Reduce the aspect ratio and calculate the new height to match the original proportions.

Aspect ratio calculator, use it like this

Enter the original width and height and the new desired width. Note the reduced ratio, new height, and integer pixel rounding results.

Example usage

1920 × 1080 is 16:9. If you set the new width to 1280, the height will be 720.

Please note

Each input is an integer from 1 to 1000000. It only provides calculations and does not enlarge or crop the image. Rounding may introduce small errors in the ratio.

Tool Utilization Blog

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How to calculate aspect ratio: Match 16:9·4:3 image and video sizes

Describes how to reduce the aspect ratio and calculate the height to fit the new width. Check out the 1920×1080 and 16:9 examples, integer pixel rounding, and the difference between cropping and stretching.

Read the article ↗

How to use online photo editor: Crop, Brightness correction, Text, Mosaic

Instructions on how to crop, rotate photos, and adjust brightness, contrast, and saturation without installation. Check the settings for adding text, mosaic, blacking out, undo, and saving PNG, JPEG, and WebP.

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