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About Aspect Ratio Calculator
Calculate aspect ratios and resize dimensions while maintaining proportions. Common presets for video (16:9), photo (4:3), mobile screens, and social media.
How to Use
- 1Enter width and height
- 2See calculated aspect ratio
- 3Scale while maintaining ratio
- 4Use presets for common formats
Key Features
- Ratio calculation
- Proportional scaling
- Common presets (16:9, 4:3, 1:1)
- Video format presets
- Social media sizes
Common Use Cases
Image resizingVideo editingScreen designPrint preparationSocial media graphics
Privacy First
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.