Information
C C8 measures 57 × 81 mm (2.2 × 3.2 inch) with an aspect ratio of 1.42, perimeter of 0.28 m, diagonal of 0.1 m and an area of 0.004617 m².
Common query: 57x81 mm, 2.2x3.2 inches.
ISO C series
C0
917 x 1297 mm
36.1 x 51 inch
C1
648 x 917 mm
25.5 x 36.1 inch
C2
458 x 648 mm
18 x 25.5 inch
C3
324 x 458 mm
12.8 x 18 inch
C4
229 x 324 mm
9 x 12.8 inch
C5
162 x 229 mm
6.4 x 9 inch
C6
114 x 162 mm
4.5 x 6.4 inch
C7
81 x 114 mm
3.2 x 4.5 inch
C8
57 x 81 mm
2.2 x 3.2 inch
C9
40 x 57 mm
1.6 x 2.2 inch
C10
28 x 40 mm
1.1 x 1.6 inch