Image Resize Calculator

Image Resize Calculator helps you resize images while keeping their original proportions intact. Whether you're preparing graphics for web, print, or social media, this tool ensures that your images don't become stretched or squashed.

Just enter the original width and height, then provide either the new width or new height - the missing dimension is calculated instantly based on the original aspect ratio. This is especially useful when resizing images for responsive websites, thumbnails, photo frames, posters, or any context where visuals need to scale cleanly.

Use this calculator to resize images for:

Maintaining screen resolution proportions

Designing banners or product images

Preparing photos for print or publication

Scaling graphics for different device sizes

Why use this Image Resize Calculator:

Handles any scale – Works flawlessly with both tiny decimals and massive numbers.

Custom number format – Choose decimal and thousand separators that match your locale.

Built-In history – Automatically stores your previous calculations for reference.

Smooth Mobile Input – Designed for fast typing on any screen with multiple keypad options.