Image Resize Calculator
Work out scaled image dimensions and percentages.
Before you resize an image in your editor, plan the numbers here. Scale by a percentage or set a target width or height, and the calculator returns the matching dimensions so nothing gets cropped or stretched.
Faster, lighter images
- Serve images at the size they actually display — oversized files slow pages down.
- Calculate
@2xretina dimensions for crisp displays. - Keep proportions locked to avoid distortion.
