Overzicht envelopformaten:
| EA-formaten | EB-formaten | C-formaten | EC-formaten | ||||
| EA7 | 78x110 | EB7 | 92x131 | EC7 | 85x120 | ||
| EA6 | 110x156 | EB6 | 131x185 | C6 | 114x162 | EC6 | 120x170 |
| EA5/6 | 110x220 | C5/6 | 114x229 | ||||
| EA5 | 156x220 | EB5 | 185x262 | C5 | 162x229 | EC5 | 170x240 |
| EA4/2 | 115x312 | EB4/2 | 131x371 | EC4/2 | 120x340 | ||
| EA4 | 220x312 | EB4 | 262x371 | C4 | 229x324 | EC4 | 240x340 |
| EA3/2 | 156x441 | ||||||
| EA3 | 312x441 | ||||||