A1 paper size in mm

What is A1 paper size in mm ?

A1 size in mm is 594x841

The aspect ratio of an A1 paper is 1:1.42,The area of an A1 paper is 499554 mm², Perimeter of an A1 paper is 2870 mm, Diagonal line of an A1 paper is 1029.62 mm

Millimeter is a unit of length and a unit of rainfall, abbreviated in English as mm. 1mm=0.1cm=0.01dm=0.001m=0.000001km=1 000μm=1 000 000nm