Compare C7 Dimensions
Compare C7 size (C Envelope Paper Sizes) side-by-side with other international formats and reference objects.
Paper Sizing Converters
C7
81 mm × 114 mm
81 mm
Letter
216 mm × 279 mm
216 mm
Credit Card
86 mm
Aspect Ratio
1 : 1.41 (√2)
Primary format (C7). Comparison aspect ratio is 1 : 1.29.
Digital Output Pixels
957 px × 1346 px
300 DPI