B2 paper size in mm

What is B2 paper size in mm ?

B2 size in mm is 500x707

The aspect ratio of an B2 paper is 1:1.41,The area of an B2 paper is 353500 mm², Perimeter of an B2 paper is 2414 mm, Diagonal line of an B2 paper is 865.94 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