光谱计算器
光谱比转换器
AspectRatioConverter
Aspect Ratio Converter
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Convert and compare aspect ratios between different formats for composition, printing, and video standards.
Características Principales
Standard ratio conversions (16:9, 4:3, 3:2, 1:1, 5:4)
Custom ratio calculations from dimensions
Dimension conversions maintaining aspect ratio
Video and film standard format support
Social media platform aspect ratios
Visual preview of ratio comparisons
How to Use Aspect Ratio Converter
Enter Source Ratio
Input your current width and height or select preset ratio
Select Target Ratio
Choose destination ratio from presets or enter custom values
Calculate Conversion
Get converted dimensions maintaining desired proportions
Preview Comparison
Visualize how ratios differ side-by-side
Adjust as Needed
Fine-tune dimensions based on specific requirements
Apply Conversion
Use calculated dimensions for cropping or resizing
Casos de Uso
Converting photos between portrait and landscape orientations
Preparing images for different social media platforms
Video content resizing for various distribution formats
Print format standardization across projects
Preguntas Frecuentes
What does aspect ratio mean?
Ratio of image width to height. 16:9 means for every 16 units wide, it's 9 units tall.
Can I convert without losing pixels?
Yes, if converting to wider ratio. Converting to narrower ratio requires cropping.
What ratio should I use for Instagram?
1:1 square for feed posts, 4:5 for portrait feed, 16:9 for Stories (vertical), 16:9 for IGTV.
How do I maintain aspect ratio while resizing?
Calculate new dimensions dividing one value by original value, then multiply other original value by same factor.
What is standard video aspect ratio?
16:9 is modern standard for HD and 4K. 4:3 is older standard. 21:9 is ultrawide cinema.