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Aspect Ratio Calculator
Calculate and convert aspect ratios
Original Dimensions
Aspect Ratio
16:9
Resize
Common Aspect Ratios
16:9
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Frequently Asked Questions
What is aspect ratio?
Aspect ratio is the proportional relationship between width and height. For example, 16:9 means for every 16 units of width, there are 9 units of height.
What aspect ratio is 1920x1080?
1920x1080 has an aspect ratio of 16:9, which is the standard for HD and Full HD displays, YouTube videos, and most modern screens.
How do I resize without distortion?
Enter your original dimensions, then type either a new width or height. The tool automatically calculates the other dimension to maintain the same aspect ratio.
Calculate Aspect Ratios
Calculate and convert aspect ratios for images, videos, and screens. Find the simplified ratio for any dimensions and resize while maintaining proportions. Supports all common ratios: 16:9, 4:3, 1:1, 21:9, and more.