Compare A9 Dimensions
Compare A9 size (A Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
A9
37 mm × 52 mm
37 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.41 (√2)
Primary format (A9). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
437 px × 614 px
300 DPI