What is the size of the paper A5R and how big is the size of the A5 paper

Copy size: A3-A5R, non-standard size and envelope, long paper copy speed: 45 pages Minute resolution:

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A5R paper refers to paper with a round diameter of 140mm.

The A5 paper size is 148mm and 210mmThe size of A5 paper is half the size of A4 paper, and the A4 paper can be folded in half to get two pieces of paper, which are usually used as book paper, notebooks, binding, and printing books. In addition, A5 paper is to fold the basic size of the A-type paper 5 times, so the area of a piece of A5 paper is 1/5 of the area of the basic paper 2, that is, 1 32, commonly known as 32 open paper.

Commonly used paper sizesA0 paper: the size is 841mm*1189mm

A1 paper: 594mm*841mmA2 paper: 420mm*594mm

A3 paper liter tape: size is 297mm*420mmA4 paper: size is 210mm*297mm

A5 paper: the size is 148mm*210mm

A6 paper: the size is 105mm*148mm

A7 paper: the size is 74mm*105mm

A8 paper: the size is 52mm*74mm

A5 paper. The size is 148mm wide, and the size of the long paper is A4 paper.

fold the A4 paper in half to get two A5 sheets. A5 paper is to fold the basic size of type A paper 5 times, so the area of a piece of A5 paper is 1/5th of the area of the basic paper 2, that is, 1 32. <

The size of the A5 paper is 148mm wide, and the size of the long paper is half of the size of the A4 paper. A5 paper is to fold the basic size of type A paper 5 times, so the area of a piece of A5 paper is 1/5th of the area of the basic paper 2, that is, 1 32.

A5 paper. The size is A4 paper.

Half of the A4 paper is folded in half to get two A5 sheets, A5 size is 148mm paper is a very common specification, that is, the A-type basic size of the paper folded 5 times, so the area of a piece of A5 paper is 1 32 of the basic paper area, which is commonly known as 32 open paper.

The area of an A5 paper is 1/5th of the area of the basic paper 2, that is, 1 32, commonly known as 32 open paper. A4 paper is to fold the basic size of the paper of type A 4 times, so the area of a piece of A4 paper is 1/4 of the area of the basic paper 2, that is, 1 16, commonly known as 16 open paper.

According to the basic area of the paper format, the format specifications are divided into A series, B series and C series, the format size of A0 is 841mm 1189mm, and the format area is 1 square meter; The format size of B0 is 1000mm 1414mm, and the format area is square meters; The format size of C0 is 917mm 1279mm, and the format area is square meters.

Introduction to the standard

The specification of paper refers to the fact that after the paper is made, it is trimmed and cut to a certain size. In the past, the size of the paper was expressed by how many "opens" (such as 8 or 16 opens, etc.), but now China adopts international standards, stipulating that A0, A1, A2, B1, B2 and so onand so on to indicate the format of the paper.

The standard stipulates that the ratio of the width (denoted by x) and the length (denoted 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 size of A0 is 841mm 1189mm, and the format area is 1 square meter; The format size of B0 is 1000mm 1414mm, and the format area is square meters; The format size of C0 is 917mm 1297mm, and the format area is square meters; Only A series and B series are used in the format specifications of copy paper.

If the A0 paper is split into two equal parts along the length, it becomes the A1 format, and if the A1 paper is split along the length, it becomes the A2 format, and so on to the A8 format; B0 paper is also folked to B8 size according to this method. The format sizes of A0 A8 and B0 B8 are shown in the table below. Among them, A3, A4, A5, A6 and B4, B5 and B6 are the commonly used specifications for copy paper.