← Back to all paper sizes
ISO C Series
Aspect Ratio: 1:1.414 (√2)
C6 Format
Millimeters114 × 162 mm
Inches4.49 × 6.38″
Common Uses
Envelopes (fits A4 folded in quarters or A6 unfolded)
C6 Standard
📐Pixel Dimensions
Digital canvasses rely on exact pixel densities (DPI/PPI) to match physical print dimensions. Graphic designers standardly request assets rounded to the nearest whole pixel at these crucial breakpoints:
72 DPI
Canvas Size323 × 459pixels (px)
Standard web output and rough digital mockups.
150 DPI
Canvas Size674 × 957pixels (px)
High-res digital art or minimal standard print flyers.
300 DPI
Canvas Size1347 × 1914pixels (px)
The gold standard for crisp professional printing (magazines, books, commercial work).