this post was submitted on 30 Aug 2026
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The A standard is not as perfect as you might think. Because the paper manufacturers round that perfect root 2 down to a whole integer in size every time, there is accumulated error in every size.
You might not notice a millimeter or two on an A1, but as the size of the paper gets smaller, the error gets bigger because of the rounding.
I'll always upvote Matt Parker
My day is ruined
I would certainly hope so. I was personally crushed to find out that that it wasn't as perfect as people seem to blindly think.
Solution: use bigger pieces of paper. EZ
Yep. A0 for everything! It's the only perfect size.