International Envelope Paper Sizes
Global standard sizes for envelope formats, designated to hold standard ISO 216 paper sizes.
DL
4.33 × 8.66inchesC6
4.49 × 6.38inchesC6/C5
4.49 × 9.02inchesC5
6.38 × 9.02inchesC4
9.02 × 12.76inchesC3
12.76 × 18.03inchesC7
3.19 × 4.49inchesC7/C6
3.19 × 6.38inchesE65
4.33 × 8.66inchesE5
4.53 × 8.66inchesE6
4.33 × 6.10inchesX5
4.13 × 8.50inchesS65
4.33 × 8.86inchesEC5
6.10 × 9.02inchesEX5
6.10 × 8.50inchesE4
8.66 × 12.28inchesC64M
4.49 × 12.52inchesC4M
9.02 × 12.52inchesB5
6.93 × 9.84inchesB6
4.92 × 6.93inchesB4
9.84 × 13.90inchesS5
7.28 × 10.04inchesS4
9.84 × 12.99inchesCE64
4.49 × 12.20inchesCE4
9.02 × 12.20inchesEC45
8.66 × 9.02inchesR7
4.72 × 5.31inchesE56
6.10 × 6.10inches
4.33 × 8.66inchesC6
4.49 × 6.38inchesC6/C5
4.49 × 9.02inchesC5
6.38 × 9.02inchesC4
9.02 × 12.76inchesC3
12.76 × 18.03inchesC7
3.19 × 4.49inchesC7/C6
3.19 × 6.38inchesE65
4.33 × 8.66inchesE5
4.53 × 8.66inchesE6
4.33 × 6.10inchesX5
4.13 × 8.50inchesS65
4.33 × 8.86inchesEC5
6.10 × 9.02inchesEX5
6.10 × 8.50inchesE4
8.66 × 12.28inchesC64M
4.49 × 12.52inchesC4M
9.02 × 12.52inchesB5
6.93 × 9.84inchesB6
4.92 × 6.93inchesB4
9.84 × 13.90inchesS5
7.28 × 10.04inchesS4
9.84 × 12.99inchesCE64
4.49 × 12.20inchesCE4
9.02 × 12.20inchesEC45
8.66 × 9.02inchesR7
4.72 × 5.31inchesE56
6.10 × 6.10inches