What is the size of B5 (JIS) paper?
Therefore, B5 paper is the meaning of the initial format size is the square root of 2 square meters, the size of 1000mm * 1414mm, the paper width and length ratio of 1:5 paper.
The provisions of the state, according to the size and surface area of paper series ABC is divided into three series, a format of the initial size of 1 square meters, the size of 841mm * 1189mm; B class size is the square root of initial format of 2 square meters, the size of 1000mm * 1414mm C format; the initial size of 1.25 square meters, the size of 917mm * 1297mm. The number after the letter "n" means "paper width" and "length" ratio is 1:n.
The national standard size is adopted by the international standard series, has now been set into the national industry standard GB / T 1999, the implementation of the country.The size of B5 paper is 182mm * 257mm.
