Utilities
Aspect Ratio Calculator
Enter width and height to see the simplified ratio. Or lock a ratio and enter one side to solve the other.
How to use Aspect Ratio Calculator
Step 1
Start
Open the tool and add your input.
Step 2
Adjust
Review the options and run the action.
Step 3
Get the result
Copy, download, or use the live result.
Aspect Ratio Calculator features
- Simplify ratio
- Solve missing side
- Common presets
Supported Formats / Details
Input formats
- Width
- Height
Output formats
- Ratio
Supported formats
- Width
- Height
Frequently Asked Questions
Does this crop an image?
It only does the math. Use image tools to resize files.
How is the ratio simplified?
Width and height are divided by their greatest common divisor.
Related Tools
Explore related Tool Base utilities that pair well with Aspect Ratio Calculator.
Viewport Size Checker
New
Live viewport width and height.
Utilities
Screen Resolution Checker
FeaturedNew
Show this device’s screen resolution.
Utilities
Image Placeholder Generator
New
Download a sized placeholder image.
Design & Creative
Social Media Image Size Generator
New
Export social-sized PNG canvases.
Design & Creative
Need another utility?
Browse related tools or explore the full Tool Base directory.