How big is this paper?

1, the geometric cutting method of paper, which is based on the geometric series of 2, 4, 8, 16, 32, 64, 128 ... This is a reasonable and standardized cutting method with high paper utilization rate.

2.k-type paper is open paper. The classification of K-type paper is to divide a large piece of 1K paper into two 2K pieces, a 2K piece of paper into a half of 4K, a 4K piece of paper into a half of 8K, a 8K piece of paper into a half of 16K, a half of 16K and so on.

Extended data:

1, the paper specification refers to the paper, which is cut into a certain size after finishing and trimming. International standards stipulate A0, A 1, A2, B 1, B2, A4, A5, etc. Used to indicate the paper format specification.

2. Generally, the size of single-page publications is called folio, such as newspapers and wall charts, which are divided into full-page, folio, 4-page and 8-page. The size of the large 16 format is 2 10×297(mm), and the size of the large 32 format is 148×2 10(mm) and.

3. According to the size, the format can be divided into large format, medium format and small format, in which the large format is above 12, the medium format is below 16 ~ 36 and the small format is below 40.

4. The paper size of international standard (ISO20 16) is divided into three series: A, B and C. The length-width ratio of this standard paper is √2( 1.45438+04). The paper area of series B is √2 times that of series A with the same number. For example, the paper area of series B4 is √2 times that of series A4.

References:

Baidu encyclopedia _ paper size Baidu encyclopedia _ folio Baidu encyclopedia _ printing paper