Paper Size FAQs:


Q: Are paper sizes all based on a single aspect ratio of the square root of 2?

A: Yes, or approximately 1:1.4142.

Q: Are paper sizes currently standard in the United States and at least in the Philippines?

A: Yes, and Colombia and Chile.

Q: Are paper sizes a de facto standard?

A: Yes.

Q: Are paper sizes included in Cascading Style Sheets : JIS-B4?

A: Yes, and JIS-B5.

Q: Are paper sizes included in Cascading Style Sheets : A3?

A: Yes, and A4, A5, B4, B5.

Q: Were paper sizes defined by the sheet name and the number of times it had been folded?

A: Yes.

Q: Is a paper size common in Southeast Asia?

A: Yes.

Q: Are paper sizes called "DIN A4" in everyday use in Germany and Austria?

A: Yes.