Compare Atlas Dimensions
Compare Atlas size (Imperial Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
Atlas
660 mm × 864 mm
660 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.31
Primary format (Atlas). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
7795 px × 10205 px
300 DPI