At present, 16K paper is generally A4 paper, but there are other 16K papers with different paper sizes. As long as a piece of inner paper is cut into 16 equal parts, one of its contents is called 16 paper opening. A4 and B4 are both 16K paper, although the sizes are different.

1. According to the current standards in China, the paper size of 16K is 297mm×2 10mm.

2. The initial popular size of16k paper in China is 186mm×273mm.

Because the format of 787× 1092(mm) paper is defined by China itself, which is inconsistent with international standards and is a non-standard format that has been eliminated.

Paper folio can be divided into full open, folio, 4 open, 8 open, 16 open, 32 open and 64 open, but there are no 22 open and 36 open.

To put it simply, the size of the whole paper is folded in half, then folded into 4 sheets, folded into 8 sheets, folded into 16 sheets, folded into 32 sheets, folded into 64 sheets, and so on. For example, if you know the size of 16K paper, two pieces of 16K paper together are 8K, and when 16K is folded in half, the size is 32K, and then it is 64K.

Extended data:

According to the size, folio is usually divided into three types: large format, medium format and small format.

For 787× 1092 paper, 12 format is large format, 16 ~ 36 format is medium format, and 40 format is small format, but books with mainly characters are generally medium format.

Folio shapes are rectangles with different proportions except 6 quarts, 12 quarts, 20 quarts, 24 quarts and 40 quarts, which are suitable for books with different properties and uses.

Baidu Encyclopedia _ 16 Open a paper?