Q.1068: What is A1 sheet size?, what is iso a1?

Ans. As per ISO (International Standard Organization) A series cut sheet sizes, A1 is 594 mm wide and 841 mm long sheet. The total area of A1 sheet is 0.5 square meter (m2.)Equivalent size in inches is 23.39" wide and 33.11" long.

Nearest US size is ANSI D size which is 22" wide and 34" long written as 22x34.

Nearest Traditional British size is Medium, Double which is 23" wide and 36" long written as 23x36.

For all ISO and US sizes, click here

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