What is the size of A4 paper in centimeters?

Various standard paper sizes A1, A2, A3, A4 paper sizes

Various sizes of A0\A1\A2\A3\A4 are recorded.

A0=1189*841

A1=841*594

A2=594*420

A3=420*297

A4=297*210

The unit is millimeters

The format size specified by the country is an international standard series, which has been set into the national industry standard GB/T 1999 Implemented nationwide. The current format sizes of books and periodicals are mainly A series specifications, which are as follows:

A4 (16k) 297mm × 210mm;

A5 (32k) 210mm × 148mm;

A6 (64k) 144mm×105mm;

A3 (8k) 420mm×297mm;

Note: The size of A3 (8k) has not been determined yet, but it is commonly used.

The A4 copy paper and 8K paper we talk about in our daily life refer to these sizes, that is, the size of A4 paper (16K paper) is: 297mm × 210mm, and the size of 32K notebook (A5 notebook) is: 21cm × 14.8cm.

Paper size introduction:

A2 paper size (large 4 pages) 594mm×420mm

A3 paper size (large 8 pages) 420mm×297mm

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a4 paper size (large 16 karat) 297mm×210mm

b4 paper size (16 karat)

b5 paper size (32 karat)

Paper types can be divided into newsprint, letterpress printing paper, offset paper, glossy coated paper, matte paper, dictionary paper, map paper, gravure printing paper, weekly newspaper, Drawing newspapers, white board paper, writing paper, special paper, etc.

Ordinary paper can be divided into 60gsm, 80gsm, 100gsm, 105gsm, 120gsm, 157gsm, 200gsm, 250gsm, 300gsm, 350gsm and 400gsm according to the weight.

8 open means 8 open, the size is 390X270mm, if it is not in word, then set it yourself.

Fully open, load into 8 sheets, please measure it.

The specifications of the paper refer to the fact that after the paper is made, it is trimmed and trimmed to a certain size. In the past, the size of the paper was represented by how many "opens" (such as 8 karat or 16 karat, etc.), but now I adopt international standards, which stipulate that the paper is represented by marks such as A0, A1, A2, B1, B2, etc. format specifications. The standard stipulates that the proportional relationship between the width (represented by X) and length (represented by Y) of the paper is X:Y=1:n.

According to the basic area of ??the paper format, the format specifications are divided into A series, B series and C series. The format specification of A0 is 841mm~189mm, the format area is 1 square meter; the format of B0 The size is 1000mm~414mm, the format area is 2.5 square meters; the format size of C0 is 917mm~279mm, the format area is 2.25 square meters; the format specifications of copy paper only use A series and B series. If A0 paper is cut into two equal lengths, it will become A1 size. If A1 paper is cut in half along the length direction, it will become A2 size. Then it will be cut into A8 size. B8 paper will also be cut into B8 size in the same way. Specification. The format sizes of A0~A8 and B0~B8 are listed in the table below. Among them, 7 format specifications, including A3, A4, A5, A6 and B4, B5 and B6, are commonly used specifications for copy paper.