Compare 3 Dimensions
Compare 3 size (US Envelope Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
3
178 mm × 254 mm
178 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.43
Primary format (3). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
2102 px × 3000 px
300 DPI