US Envelope Paper Sizes
6¼
152 × 89 mm
15.2 × 8.9 cm
6 × 3.5 inches
6¾
165 × 92 mm
16.5 × 9.2 cm
6.5 × 3.6 inches
7
172 × 95 mm
17.2 × 9.5 cm
6.8 × 3.7 inches
7¾ Monarch
191 × 98 mm
19.1 × 9.8 cm
7.5 × 3.9 inches
8⅝
219 × 92 mm
21.9 × 9.2 cm
8.6 × 3.6 inches
9
225 × 98 mm
22.5 × 9.8 cm
8.9 × 3.9 inches
10
241 × 104 mm
24.1 × 10.4 cm
9.5 × 4.1 inches
11
264 × 114 mm
26.4 × 11.4 cm
10.4 × 4.5 inches
12
279 × 121 mm
27.9 × 12.1 cm
11 × 4.8 inches
14
292 × 127 mm
29.2 × 12.7 cm
11.5 × 5 inches
A1
92 × 130 mm
9.2 × 13 cm
3.6 × 5.1 inches
16
305 × 152 mm
30.5 × 15.2 cm
12 × 6 inches
A2 Lady Grey
146 × 111 mm
14.6 × 11.1 cm
5.7 × 4.4 inches
A4
159 × 108 mm
15.9 × 10.8 cm
6.3 × 4.3 inches
A6 Thompson's Standard
165 × 121 mm
16.5 × 12.1 cm
6.5 × 4.8 inches
A7 Besselheim
184 × 133 mm
18.4 × 13.3 cm
7.2 × 5.2 inches
A8 Carr's
206 × 140 mm
20.6 × 14 cm
8.1 × 5.5 inches
A9 Diplomat
222 × 146 mm
22.2 × 14.6 cm
8.7 × 5.7 inches
A10 Willow
241 × 152 mm
24.1 × 15.2 cm
9.5 × 6 inches
A Long
225 × 98 mm
22.5 × 9.8 cm
8.9 × 3.9 inches
1
229 × 152 mm
22.9 × 15.2 cm
9 × 6 inches
1¾
241 × 152 mm
24.1 × 15.2 cm
9.5 × 6 inches
3
254 × 178 mm
25.4 × 17.8 cm
10 × 7 inches
6
267 × 191 mm
26.7 × 19.1 cm
10.5 × 7.5 inches
8
286 × 210 mm
28.6 × 21 cm
11.3 × 8.3 inches
9¾
286 × 222 mm
28.6 × 22.2 cm
11.3 × 8.7 inches
10½
305 × 229 mm
30.5 × 22.9 cm
12 × 9 inches
12½
318 × 241 mm
31.8 × 24.1 cm
12.5 × 9.5 inches
13½
330 × 254 mm
33 × 25.4 cm
13 × 10 inches
14½
368 × 292 mm
36.8 × 29.2 cm
14.5 × 11.5 inches
15
381 × 254 mm
38.1 × 25.4 cm
15 × 10 inches
15½
394 × 305 mm
39.4 × 30.5 cm
15.5 × 12 inches
More Information
The US envelope standard has not been adopted by the ISO and is used mainly in the USA. These standards were developed to hold paper and later on both magazines and brochures of a certain size. For the most part, the US Envelope standard was developed to hold US paper sizes.
| Format | Width × Height (mm) | Width × Height (cm) | Width × Height (in) |
|---|---|---|---|
| 6¼ | 152 × 89 mm | 15.2 × 8.9 cm | 6 × 3.5 in |
| 6¾ | 165 × 92 mm | 16.5 × 9.2 cm | 6.5 × 3.6 in |
| 7 | 172 × 95 mm | 17.2 × 9.5 cm | 6.8 × 3.7 in |
| 7¾ Monarch | 191 × 98 mm | 19.1 × 9.8 cm | 7.5 × 3.9 in |
| 8⅝ | 219 × 92 mm | 21.9 × 9.2 cm | 8.6 × 3.6 in |
| 9 | 225 × 98 mm | 22.5 × 9.8 cm | 8.9 × 3.9 in |
| 10 | 241 × 104 mm | 24.1 × 10.4 cm | 9.5 × 4.1 in |
| 11 | 264 × 114 mm | 26.4 × 11.4 cm | 10.4 × 4.5 in |
| 12 | 279 × 121 mm | 27.9 × 12.1 cm | 11 × 4.8 in |
| 14 | 292 × 127 mm | 29.2 × 12.7 cm | 11.5 × 5 in |
| 16 | 305 × 152 mm | 30.5 × 15.2 cm | 12 × 6 in |
| A1 | 92 × 130 mm | 9.2 × 13 cm | 3.6 × 5.1 in |
| A2 Lady Grey | 146 × 111 mm | 14.6 × 11.1 cm | 5.7 × 4.4 in |
| A4 | 159 × 108 mm | 15.9 × 10.8 cm | 6.3 × 4.3 in |
| A6 Thompson’s Standard | 165 × 121 mm | 16.5 × 12.1 cm | 6.5 × 4.8 in |
| A7 Besselheim | 184 × 133 mm | 18.4 × 13.3 cm | 7.2 × 5.2 in |
| A8 Carr’s | 206 × 140 mm | 20.6 × 14 cm | 8.1 × 5.5 in |
| A9 Diplomat | 222 × 146 mm | 22.2 × 14.6 cm | 8.7 × 5.7 in |
| A10 Willow | 241 × 152 mm | 24.1 × 15.2 cm | 9.5 × 6 in |
| A Long | 225 × 98 mm | 22.5 × 9.8 cm | 8.9 × 3.9 in |
| 1 | 229 × 152 mm | 22.9 × 15.2 cm | 9 × 6 in |
| 1¾ | 241 × 152 mm | 24.1 × 15.2 cm | 9.5 × 6 in |
| 3 | 254 × 178 mm | 25.4 × 17.8 cm | 10 × 7 in |
| 6 | 267 × 191 mm | 26.7 × 19.1 cm | 10.5 × 7.5 in |
| 8 | 286 × 210 mm | 28.6 × 21 cm | 11.3 × 8.3 in |
| 9¾ | 286 × 222 mm | 28.6 × 22.2 cm | 11.3 × 8.7 in |
| 10½ | 305 × 229 mm | 30.5 × 22.9 cm | 12 × 9 in |
| 12½ | 318 × 241 mm | 31.8 × 24.1 cm | 12.5 × 9.5 in |
| 13½ | 330 × 254 mm | 33 × 25.4 cm | 13 × 10 in |
| 14½ | 368 × 292 mm | 36.8 × 29.2 cm | 14.5 × 11.5 in |
| 15 | 381 × 254 mm | 38.1 × 25.4 cm | 15 × 10 in |
| 15½ | 394 × 305 mm | 39.4 × 30.5 cm | 15.5 × 12 in |