Calculate
Aspect Ratio Calculator
Find a missing width or height, or simplify two dimensions into a ratio.
- Input
- Dimensions or ratio
- Output
- Simplified ratio and pixel size
Aspect Ratio Tools
Calculate dimensions, find a ratio, or resize an image. Choose the tool that matches what you have now.
Choose by what you have
Which tool should I use?
Start with what you already have, then open the tool that gives you the result you need.
| You have | Use this tool | You get |
|---|---|---|
| A ratio and one dimension | Aspect Ratio Calculator | Missing width or height |
| Width and height | Aspect Ratio Finder | Exact, simplified, and nearest ratio |
| An image file | Image Aspect Ratio Calculator | Cropped, fitted, padded, or resized image |
Edit an image
Image Aspect Ratio Calculator
Check an image ratio, then crop, pad, resize, or export the file.
- Input
- JPEG, PNG, WebP, or GIF
- Output
- A resized image
Identify
Aspect Ratio Finder
Enter a width and height to find the exact ratio and closest common ratio.
- Input
- Width and height
- Output
- Exact, simplified, decimal, and nearest ratio
Ratio guides
Choose a guide for your target shape
Use a tool to calculate or edit. Open a ratio guide when you need common dimensions and practical examples for one shape.