I've been told that memorizing the ANSI and ARCH drawing sizes along with architectural scales & their scale factors is a part of the first day of any drafting program. I've also been told that anyone who drafts regularly should undoubtedly have the standard sheet sizes and scale factors for different architectural scales memorized.
Consider me the dumb exception who never learned how to draft.
Despite being told I have a large head (I think they're talking about my physically awkward-sized head and not my bloated ego), I can't seem to allocate much space in there to remember the essentials of life like knowing that ANSI D translates to a 22 x 34 sheet size.
And for that, I've created a drafting cheatsheet -
Normally only important images get a caption below it, but in this case even a very basic table that just shows architectural scales and names for drawing sheet sizes gets a caption too. What a day.
Now, if you're from a part of the planet that uses an intuitive, logical, consensus-driven, and straightforward method of measuring using the SI system, then you can largely ignore the above tool and write us English-traditionalists off as keeping our head buried in the sand.
Despite even the original developers of the English system of measurement overhauling their system twice (the British adapted to the imperial system in 1824 and the metric system in the 1960s) and ditching the foot-pound world, us westerners just can't seem to let some things go.
This shouldn't be the sword I choose to fall on, so I'll leave the dead horse for someone else to beat. For those who use the "US Customary Units of Measure" and also can't seem to recall how to scale a 3/32" = 1'-0" background properly (it's a scale factor of 128), this cheatsheet is for you too.
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Joseph Meyer, PE, owns/operates his own Fire Protection Engineering practice in St. Louis, Missouri. See bio on About page.