Calculate Aspect Ratios
Calculate and maintain aspect ratios for images, videos, and responsive design. Our free calculator helps you find dimensions that maintain proportion, whether you’re resizing images, designing layouts, or working with video.
How to Use This Calculator
- Enter width and height to find ratio
- Or enter one dimension and ratio to find the other
- Use preset ratios (16:9, 4:3, etc.)
- Get pixel-perfect dimensions
Features
- Calculate ratio from dimensions
- Find dimensions from ratio
- Common presets (16:9, 4:3, 1:1)
- Proportional scaling
Frequently Asked Questions
Is this Aspect Ratio Calculator free to use?
Yes, our Aspect Ratio Calculator is completely free to use with no registration or signup required. Use it as many times as you need.
How accurate is the Aspect Ratio Calculator?
Our calculator uses standard mathematical formulas and provides accurate results. For critical financial or health decisions, always consult with a qualified professional.
Does this tool work on mobile devices?
Yes, this tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.