C2 Paper Size Dimensions


458 × 648 mm


A C2 envelope measures 458 × 648 mm or 18.0 × 25.5 inches. An A2 piece of paper will fit into a C2 envelope. C2 is part of the C series, most commonly used for envelopes, and is defined by the ISO 269 paper size standard.

All C Envelope Series Paper Sizes →