Talk:A4 paper size

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I made a disambiguation page (as, whoops) for all of the alternate uses. It was getting a bit polluted. I think the paper size is probably the most common usage, so I've left this page here. See WP:disambiguation - Plutor 23:53, 3 May 2004 (UTC)

I moved A4 to A4 paper size, like in other language-wikis, to allow easier interwiki-linking. Tobias Conradi 12:53, 29 Jun 2004 (UTC)

A4, A5, A3[edit]

Unless I am reading something wrong, the text and the diagram don't match.

The text states, "A4 becomes two sheets of A5" - but shouldn't this be, according to the diagram, A4 becomes two sheets of A3? ????

No, it's right. "A4 becomes two sheets of A5", meaning two A5 sheets are the same size as A4. A3 is the size of two A4 sheets. User:The Living Peanut 1 July 2005 05:24 (UTC)

What size does the US use then?[edit]

The article says the United States doesn't use A4 as the stardard paper size, but 8.3 x 11.8 seems to be pretty universal here. Is it just not 'official', or am I missing something?

See Paper size: North American paper sizes and A4 paper in the United States. The most common US paper size is Letter (I think), which is 5.9 mm wider and 17.6 mm less tall. This might seem a small difference, but it causes problems when trying to scale documents, or when trying to fit e.g. A4 paper in a filing cabinet designed for Letter. Shinobu 01:57, 25 January 2006 (UTC)


"The A3, A4 and A5 are all similar to each other." That statement implies that the other A sizes are not similar to each other, whereas, of course, all A sizes are similar in the mathematical sense used here. Or am I missing something? Charivari 23:50, 7 March 2006 (UTC)

Nicely spotted! I'll change it immediately. Shinobu 09:06, 8 March 2006 (UTC)

I would say "geometrically similar" or "mathematically similar" instead of just "similar". Otherwise "similar" could mean different things Zemadmax 15:58, 27 April 2006 (UTC)

A0 defines all other sizes[edit]

It think it would be useful to say that the standard first defines an A0 sheet as having an area of 1 meter squared. All other A-series sheets are then related to the A0 sheet using the already stated rule. That way there would be some more background information.Zemadmax 15:59, 27 April 2006 (UTC)

Actually, wouldn't it be better to have just one article about the A-series sheets? Shinobu 02:27, 20 May 2006 (UTC)
I agree, although as A4 is the most popular and therefore best-known size there should be a redirect from A4 paper size to the renamed article. Charivari 04:34, 20 May 2006 (UTC)
That goes without saying. Thought up a fitting new name for the article yet? Yours sincerely, Shinobu 09:16, 20 May 2006 (UTC)
ISO paper sizes maybe? Charivari 22:52, 20 May 2006 (UTC)
Wouldn't that technically also cover the B series? And possibly the Japanese B series (although I don't know if these are ISOified)? What about ISO A paper sizes? Shinobu 00:58, 21 May 2006 (UTC)
I've just looked at the article ISO 216, and I now wonder what value is added by an article on just A4 or the A sizes in general. Perhaps we should just redirect this page to ISO 216? Charivari 04:23, 21 May 2006 (UTC)
There have also been suggestions to merge ISO 216 with the main article paper size. This one is rather redundant IMHO. Markus Kuhn 10:58, 21 May 2006 (UTC)
I would not merge ISO 216 with paper size, since ISO 216 is a full article and can stand by itself. This article however, seems redundant. In my opinion the following steps are required:
  • Check this article for stuff not in ISO 216.
  • Make this article redirect to ISO 216.
  • Make sure all the A# [paper size] articles redirect there.
    What is the maximum # we want? 4? 8?
Any more work that's needed? Shinobu 07:53, 22 May 2006 (UTC)

A4 Tech[edit]

A4 Tech is a computer [OEM] hardware maker and i've visited the A4 Tech's website, but there is little information on whre the company is based or where it was founded in. -Mardus 18:19, 29 June 2006 (UTC)

I may have had a mouse by A4 Tech once. They're from China: [1] Feel free to start the redlinked article. Shinobu 16:34, 7 July 2006 (UTC)