US Commercial Envelope Sizes
US commercial format envelopes are also called office envelopes. They are mainly used for commercial purposes and are usually used to hold documents such as contracts. Therefore, the envelopes in this format are long and thin, which is easy to carry and store. Usually the ratio of the short side to the long side is 1 : Between 1.6 and 1:2.2. The dimensions of all sizes of US commercial format envelopes are shown in the table below.
US Commercial Envelope Size
| Format | Width × Height (mm) | Width × Height (cm) | Width × Height (in) |
|---|---|---|---|
| 6 1/4 (Commercial) | 152 × 89 mm | 15.2 × 8.9 cm | 6 × 3.5 in |
| 6 3/4(Commercial) | 165 × 92 mm | 16.5 × 9.2 cm | 6.5 × 3.6 in |
| 7 (Commercial) | 172 × 95 mm | 17.2 × 9.5 cm | 6.8 × 3.7 in |
| 7 3/4 Monarch (Commercial) | 191 × 98 mm | 19.1 × 9.8 cm | 7.5 × 3.9 in |
| 8 5/8(Commercial) | 219 × 92 mm | 21.9 × 9.2 cm | 8.6 × 3.6 in |
| 9(Commercial) | 225 × 98 mm | 22.5 × 9.8 cm | 8.9 × 3.9 in |
| 10(Commercial) | 241 × 104 mm | 24.1 × 10.4 cm | 9.5 × 4.1 in |
| 11(Commercial) | 264 × 114 mm | 26.4 × 11.4 cm | 10.4 × 4.5 in |
| 12(Commercial) | 279 × 121 mm | 27.9 × 12.1 cm | 11 × 4.8 in |
| 14(Commercial) | 292 × 127 mm | 29.2 × 12.7 cm | 11.5 × 5 in |
| 16(Commercial) | 305 × 152 mm | 30.5 × 15.2 cm | 12 × 6 in |
