Compare JB7 Dimensions
Compare JB7 size (Japanese Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
JB7
91 mm × 128 mm
91 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.41 (√2)
Primary format (JB7). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
1075 px × 1512 px
300 DPI