1.80-2.25 1 pack Qingdao Golden Paper Company Limited 0.80-1.60. We’ll be explaining international paper sizes and our favorite notebooks to use for each size. Please note that you will need You can download the Adobe Reader for free here. B5 Size Paper 2.70-2.90 1000.0 packs Fuzhou Gulou District G&j Paper Co., Ltd. The C series is most commonly used for envelopes. The aspect ratio of C series envelopes is 1:√2, and this means that an A4 sheet of paper when folded in half, parallel to its smaller sides, will fit nicely into a C5 envelope. B5 paper is 176 mm x 250 mm (or 6.9 x 9.8) and this paper is actually 182 mm x 257 mm (7.165 x. The dimensions of the C series sizes are defined by the ISO 269 paper size standard. I need the B5 specific paper for a pouch its going in. For example, B1 is between A0 and A1 in size. The B series is not as common as the A series. The B series uses an aspect ratio of 1:√2. The area of the B series paper sheets is the geometric mean of the A series sheets. The dimensions of the B series paper sizes are defined by the ISO 216 international paper size standard.

Then fold the A1 size in two to get an A2 size paper, and so on. This simple means you get the A1 size by folding an A0 paper in two along its short side. The height/width ratio remains constant (1:1.41) for all sizes. The largest size A0 measures one square meter. The A-series consists of a logical set of paper sizes that are defined by the ISO 216 standard. A4 is the most common standard business letter size used in English speaking countries. It is now used in nearly every country apart from the USA and Canada.

The A paper size system was formally adopted in Europe in the 19th century and has since spread around the world.

B5 paper size