Height of A1 paper size: 594 mm. = 59.4 cm.
Width of A1 paper size: 841 mm. = 84.1 cm.
Dimensions of A1 in mm: 594 x 841 mm.
Dimensions of A1 in cm: 59.4 x 84.1 cm.
Dimensions of A1 in inches: 23.39″ x 33.11″
Graphic file dimensions in pixels for 300 DPI printing: 7016 x 9933 px.
Graphic file dimensions in pixels for 72 DPI printing: 1648 x 2384 px.