C8 paper size – dimensions

Height of C8 paper size: 57 mm. = 5.7 cm.
Width of C8 paper size: 81 mm. = 8.1 cm.

Dimensions of C8 in mm: 57 x 81  mm.
Dimensions of C8 in cm: 5.7 x 8.1 cm.
Dimensions of C8 in inches: 2.24″ x 3.19″

Graphic file dimensions in pixels for 300 DPI printing: 673 x 957 px.
Graphic file dimensions in pixels for 72 DPI printing: 162 x 230 px.