Aspect Ratio Calculator
Calculate and scale image dimensions
About Aspect Ratio Calculator
The Aspect Ratio Calculator is a lightweight tool designed to help you calculate and scale image dimensions while maintaining perfect proportions. Whether you are resizing photos for social media, designing graphics, or preparing images for print, this calculator ensures your images scale consistently without distortion.
Built entirely in your browser, all calculations happen locally on your device with zero data transmission. Perfect for designers, content creators, and anyone who needs quick, accurate dimension scaling for various platforms and use cases.
How to use Aspect Ratio Calculator
Enter Your Starting Dimensions
Input either the width or height of your original image, along with the current aspect ratio or select from preset ratios.
Set Your Target Dimension
Specify the width or height you want to scale to, and the calculator automatically computes the proportional counterpart.
Copy and Apply
Review the calculated dimensions and copy them to your clipboard to use in your design or image editing software.
Pro Tips
- Save commonly used aspect ratios as favorites for faster access when working on repeated project types.
- Use the preview feature to verify proportions match your platform requirements before resizing actual images.
- Remember that aspect ratio maintains proportion but does not affect image quality-resize in your editor for best results.
- Convert between unit systems on the fly to match your design software's preferred measurements.
Key features of Aspect Ratio Calculator
Preset Aspect Ratios
Quick access to common ratios like 16:9, 4:3, 1:1, 9:16, and more for instant dimension calculations.
Custom Ratio Input
Define any custom aspect ratio to calculate dimensions tailored to your specific requirements.
Bi-directional Scaling
Scale by width or height and automatically calculate the corresponding dimension based on aspect ratio.
Multiple Unit Support
Work with pixels, inches, centimeters, and other common measurement units for flexible workflows.
Instant Copy Function
Copy calculated dimensions to clipboard with a single click for seamless workflow integration.
Real-time Preview
Visualize scaled dimensions instantly as you adjust values to verify proportions before applying changes.
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