B3 paper size in mm

What is B3 paper size in mm ?

B3 size in mm is 353x500

The aspect ratio of an B3 paper is 1:1.42,The area of an B3 paper is 176500 mm², Perimeter of an B3 paper is 1706 mm, Diagonal line of an B3 paper is 612.05 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