Maten Standaard papierformaten A reeks Formaat in mm RA 0 RA 1 RA 2 A 0 A 1 A 2 A 3 A 4 A 5 A 6 A 7 A 8 A 9 A 10 A 11 A 12 A 13 860 x 1220 610 x 860 430 x 610 841 x 1189 594 x 841 420 x 594 297 x 430 210 x 297 148 x 210 105 x 148 75 x 105 52 x 74 37 x 52 26 x 37 18 x 26 13 x 18 9 x 13 B reeks Formaat in mm B 0 B 1 B 2 B 3 B 4 B 5 B 6 B 7 B 8 B 9 B 10 B 11 B 12 B 13 1000 x 1414 707 x 1000 500 x 707 353 x 500 250 x 353 176 x 250 125 x 176 88 x 125 62 x 88 44 x 62 31 x 44 22 x 31 15 x 22 11 x 15 C reeks Formaat in mm C 0 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 917 x 1297 648 x 917 458 x 648 324 x 458 229 x 324 162 x 229 114 x 162 81 x 117 57 x 81 D reeks Formaat in mm D 0 D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 8 771 x 1090 545 x 771 385 x 545 272 x 385 192 x 272 136 x 192 96 x 136 68 x 96 48 x 68 Enveloppen formaten A reeks Formaat in mm EA 3 EA 3/2 EA 4 EA 4/2 EA 5 EA 5/6 EA 6 EA 7 EA 312 x 441 156 x 441 220 x 312 115 x 312 156 x 220 110 x 220 110 x 156 78 x 110 855 x 78 B reeks Formaat in mm EB 4 EB 4/2 EB 5 EB 6 EB 7 EB 8 262 x 371 131 x 371 185 x 262 131 x 185 92 x 131 65 x 92 C reeks Formaat in mm EC 4 EC 4/2 EC 5 EC 6 EC 7 EC C 4 C 5 C 5/6 C 6/5 C 6 240 x 340 120 x 340 170 x 240 120 x 170 85 x 120 860 x 85 229 x 324 162 x 229 114 x 229 114 x 224 114 x 162