Height of A8 paper size: 52 mm. = 5.2 cm.
Width of A8 paper size: 74 mm. = 7.4 cm.
Dimensions of A8 in mm: 52 x 74 mm.
Dimensions of A8 in cm: 5.2 x 7.4 cm.
Dimensions of A8 in inches: 2.91″ x 2.05″
Graphic file dimensions in pixels for 300 DPI printing: 614 x 878 px.
Graphic file dimensions in pixels for 72 DPI printing: 147 x 211 px.