Compare 9 Dimensions
Compare 9 size (US Envelope Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
9
98 mm × 225 mm
98 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 2.30
Primary format (9). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
1157 px × 2657 px
300 DPI