Compare 13½ Dimensions
Compare 13½ size (US Envelope Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
13½
254 mm × 330 mm
254 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.30
Primary format (13½). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
3000 px × 3898 px
300 DPI