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Q.1079: What is B4 sheet size?, What is iso b4?
Ans. As per ISO (International Standard Organization) B series cut sheet sizes, B4 is 250 mm wide and 353 mm long sheet. Equivalent size in inches is 9.84" wide and 13.90" long.
Nearest US size is Legal size which is 8.5" wide and 14" long written as 8.5x14.
For all ISO and US sizes, click here