Height of C7 paper size: 81 mm. = 8.1 cm.
Width of C7 paper size: 114 mm. = 11.4 cm.
Dimensions of C7 in mm: 81 x 114 mm.
Dimensions of C7 in cm: 8.1 x 11.4 cm.
Dimensions of C7 in inches: 3.19″ x 4.49″
Graphic file dimensions in pixels for 300 DPI printing: 957 x 1346 px.
Graphic file dimensions in pixels for 72 DPI printing: 230 x 323 px.