What is B5?
1 Answers
B5 is a paper size specification. The commonly used B5 size is EXTRA, which follows the international standard dimensions of 176mm x 250mm. Additionally, there was another standard of 182mm x 257mm used in mainland China before 1982. Like other paper sizes, the establishment of an internationally standardized B5 size aims to regulate and unify paper dimensions, which holds significant importance for promoting foreign trade and international exchanges. Below is some extended information: A3: A3 paper refers to the internationally standardized A3 size, measuring 297mm × 420mm. A4: A4 paper is defined by the ISO 216 standard of the International Organization for Standardization, with dimensions of 210mm × 297mm. This international standard is adopted by the majority of countries worldwide for their paper sizes.