List of B Papers :
  • B0 Paper
  • B1 Paper
  • B2 Paper
  • B3 Paper
  • B4 Paper
  • B5 Paper
  • B6 Paper
  • B7 Paper
  • B8 Paper
  • B9 Paper
  • B10 Paper

B Paper Sizes : B0, B1, B2, B3, B4, B5...

B size is much less used than A format worldwide. Indeed, it is not suitable for common use, and is not accepted by conventional photocopiers and printers. However, it is widely used by professional printers to create magazines, maps, menus ...

Format B is homothetic. When a sheet is folded in the direction of its width, we get the smaller size, and it is from the larger format size folded in 2 that is obtained X format. So we can say that B(x) = 2 x B(x-1) = ½ B(x +1). Thus, the proportions are always preserved, and we can easily reproduce a page and its contents to a higher or lower B size.

Sizes A, B and C are all based on the √2 ratio. This implies that the length of every B size sheet must always be equal to its width x √2 (or 1.4142). We thus obtain the following formula: a / b = 2 b / a = √2.

These formats, and in particular the B one, come from Lichtenberg Professor of Physics, who in 1786 praised the merits of √2 ratio in a letter to his friend Beckmann, itself written on a sheet applying this ratio. This proposal was echoed by Walter Portsmann, who proposed it to the DIN (Deutsches Institut für Normung, German Institute of Standards) in 1922. It was necessary to harmonize german formats.

b1 b2 b3 b4 b5

It accepted it and standardized it for Germany. To its success, even beyond the borders of countries (42 countries had already adopted this standard), it was taken by the ISO 216 1975 for international use.

While the format A was created on the basis of a surface (A0 measures strictly 1 m²), format B was based on a measure of size: B0 width is1 meter.

As such, it is easy to know the width of all B formats dividing B0’s one. However, it is more complicated to calculate its weight, since the weight of the paper is most often expressed in g/m², in reference to A0.

B format is widely used by professional printers worldwide, except in North America, where other formats are used (Letter for example).

 

B Paper Sizes for digital images

300 ppi
200 ppi
100 ppi
72 ppi
11811 x 16701 pixels
197 millions pixels
7874 x 11134 pixels
88 millions pixels
3937 x 5567 pixels
22 millions pixels
2835 x 4008 pixels
11 millions pixels
8350 x 11811 pixels
99 millions pixels
5567 x 7874 pixels
44 millions pixels
2783 x 3937 pixels
11 millions pixels
2004 x 2835 pixels
6 millions pixels
5906 x 8350 pixels
49 millions pixels
3937 x 5567 pixels
22 millions pixels
1969 x 2783 pixels
5.5 millions pixels
1417 x 2004 pixels
2.8 millions pixels
4169 x 5906 pixels
25 millions pixels
2780 x 3397 pixels
9.4 millions pixels
1390 x 1969 pixels
2.7 millions pixels
1001 x 1417 pixels
1.4 million pixels
2953 x 4169 pixels
12 millions pixels
1969 x 2780 pixels
5.4 millions pixels
984 x 1390 pixels
1.4 million pixels
709 x 1001 pixels
710,000 pixels
2079 x 2953 pixels
6.1 millions pixels
1386 x 1969 pixels
2.7 millions pixels
693 x 984 pixels
680,000 pixels
499 x 709 pixels
350,000 pixels
1476 x 2079 pixels
3 millions pixels
984 x 1386 pixels
1.4 million pixels
492 x 693 pixels
340,000 pixels
354 x 499 pixels
177,000 pixels
1039 x 1476 pixels
1.5 million pixels
693 x 984 pixels
680,000 pixels
346 x 492 pixels
170,000 pixels
249 x 354 pixels
88,000 pixels
732 x 1039 pixels
760,000 pixels
488 x 693 pixels
340,000 pixels
244 x 346 pixels
84,000 pixels
176 x 249 pixels
44,000 pixels
520 x 732 pixels
380,000 pixels
346 x 488 pixels
170,000 pixels
173 x 244 pixels
42,000 pixels
125 x 176 pixels
22,000 pixels
366 x 520 pixels
190,000 pixels
244 x 346 pixels
85,000 pixels
122 x 173 pixels
21,000 pixels
88 x 125 pixels
11,000 pixels

 

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