A9 paper format size and dimensions in mm cm and inches
A9 paper format size and dimensions in mm cm and inches

Height of A9 paper size: 37 mm. = 3.7 cm.
Width  of A9 paper size:52 mm. = 5.2 cm.

Dimensions of A9 in mm: 37 x 52 mm.
Dimensions of A9 in cm: 3.7 x 5.2 cm.
Dimensions of A9 in inches: 1.46″ x 2.05″

Graphic file dimensions in pixels for 300 DPI printing: 437 x 614 px.
Graphic file dimensions in pixels for 72 DPI printing: 105 x 147 px.