I know the A-series is more common, but I sometimes prefer the B-series. It's nice if, for example, you're looking for something between A4 and A5 (i.e. B5).
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this post was submitted on 28 Aug 2023
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Is it just the size difference or is the ratio also different? I am too tired to grab my calculator.
It's sqrt(2) for all formats. As you may know, that means you can fold it in half and still have an aspect ratio of sqrt(2).