# Talk:Photo print sizes

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89 × 127 mm -> Called "9cm x 13cm" worldwide. I doubt this is true. That would mean worldwide the people say 90mm and mean 89 mm. TrueColour (talk) 18:20, 10 October 2008 (UTC)

- That is correct. The sizes are not 100% exact. It's just easier to round off.76.113.104.88 (talk) 02:14, 6 April 2010 (UTC)

Why are all the pixel resoltuions off by a few. I thought they were (300dpi)(height in.)x(300dpi)(width in.) ACielecki (talk) 23:57, 10 October 2009 (UTC)

Presumably it depends on whether you calculate from the inch or metric sizes... although given that the unit is dots per inch, I agree that your formula makes more sense! Jpatokal (talk) 01:37, 12 October 2009 (UTC)

Ritzpix.com states 4.5" x 6" as being "the new 6D". How does this fit in with the information given in this article? —Preceding unsigned comment added by Bjlovejoy (talkcontribs) 15:42, 3 August 2010 (UTC)

## S8R "twice the size of a 6R print"

The note for S8R says "Closest approximation to A4 (210×297mm), twice the size of a 6R print. Called "20 × 30 cm" worldwide." To me, it looks as if it is twice the size of a 4R prints, but I'd rather somebody more knowledgeable than me made the correction. MatthewIreland (talk) 14:21, 13 January 2014 (UTC)

Also, I think this needs to be changed for 4:3 photos. In the first column it reads "4D". But, according to the linked source 4.5" x 6" is "the new 6D" Andrewjmarino (talk) 06:48, 14 January 2015 (UTC)