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Aspect Ratio
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Aspect Ratio Calculator
Calculate, convert, and visualize aspect ratios for images and video.
Calculate from Dimensions
Width
Height
16:9
1.7778
Lock ratio and resize
New Width
New Height
Visual Preview
16:9
Common Ratios
1:1
Square
4:3
Classic TV
16:9
HD Video
21:9
Ultrawide
9:16
Mobile/Story
3:2
Photo (DSLR)
4:5
Instagram
2:3
Poster
1:√2
A4 Paper
Common Resolutions