Aspect Ratio Calculator
Enter any width and height to get the simplified ratio, see which platform formats it matches, and get exact sizes to crop or resize to.
Free · no signup
Enter width and height
Results and matching platform formats will appear here.
Aspect ratio
Decimal
Orientation
Platform formats
| Format | Match | Largest crop | Fit inside |
|---|
“Largest crop” is the biggest area of your image with that ratio. “Fit inside” scales your image to fit the platform's recommended size without cropping.