Image & DPI
Aspect Ratio Calculator
Simplify width and height into an aspect ratio and scale dimensions proportionally.
Aspect Ratio Calculator
Simplify a width and height, then scale without stretching.
Original width.
Original height.
Optional new width.
Optional new height.
Ready to calculate
Adjust the inputs, then click Start. Change values and click Start again whenever you want a fresh result.
Avoid stretching artwork
Aspect ratio is the relationship between width and height. Keeping the same ratio prevents unwanted stretching.
How to use this tool
- Enter the current width and height.
- Optionally enter a new width or height.
- Use the scaled result to resize without stretching.
Common use cases
- Cropping images
- Resizing artwork
- Keeping photos proportional
Frequently asked questions
What is an aspect ratio?
It is the width-to-height relationship, such as 4:3, 3:2, or 16:9.
Why does aspect ratio matter for print?
A mismatch can force cropping or leave blank space. Matching ratios helps artwork fit neatly.