How To Write Size Dimensions In A Paper . This standard dimension paper is an a4 paper (size 210x297mm) (8.25×11.75 inches) with a double sided page. Here are all the sizes cut from an a0 sheet (which has an area of 1.0 m2 ): ASeries Paper Sizes in Inches Technical Writing http//www from www.pinterest.com When describing a doorway you might want to. However, numbers in content (generally nonfiction) that frequently details measurements, especially in a technical context, are better. The a paper sizes being a “standard” that is often used according to “iso” and it is widely applicable internationally, including a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10.there are many other paper size standards conventions have existed at different times and in different countries worldwide.