C1 Paper Size Dimensions
C1
648 x 917 mm
A C1 piece of paper measures 648 × 917 mm or 25.5 × 36.1 inches. Cutting it in half will create two C2 sheets of paper. C1 is part of the C Envelope series.
A C1 piece of paper measures 648 × 917 mm or 25.5 × 36.1 inches. Cutting it in half will create two C2 sheets of paper. C1 is part of the C Envelope series.