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Aspect Ratio Calculator

Find the aspect ratio of any size and calculate a new width or height that keeps the same proportions.

Keep images, videos and screens in proportion. Enter the original size and either a new width or height.

Questions

What are common ratios?

16:9 for video and monitors, 4:3 for older screens and iPads, 1:1 for square posts, 9:16 for phone stories.