INTERNATIONAL SIZES (C SERIES PAPER SIZES) Dimensions Of C Series Envelope Sizes: SIZEWidth x Height (mm)Width x Height (in)DL110 x 220 mm41/3 x 82/3 inC1648 x 917 mm25.5 x 36.1 inC2458 x 648 mm18.0 x 25.5 inC3324 x 458 mm12.8 x 18.0 inC4229 x 324 mm9.0 x 12.8 inC5162 x 229 mm6.4 x 9.0 inC6114 x 162 mm4.5 x 6.4 inC781 x 114 mm3.2 x 4.5 inC857 x 81 mm2.2 x 3.2 in C4 EnvelopeDL Envelope You Might Also Like INTERNATIONAL SIZES-A Series Paper Sizes April 9, 2019 PAGES, SPREADS & SHEETS April 9, 2019 Margin, Bleed & Crop marks April 9, 2019 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.