Short dimension precedes long dimension; Inch measurements are the finished envelope size
A-STYLE | ENVELOPE SIZE |
ENCLOSURE SIZE
|
A-2 | 4 5/16 x 5 3/4 | 4 3/16 x 5 1/2
|
A-4 | see below |
|
A-6 | 4 3/4 x 6 1/2 | 4 5/8 x 6.1875
|
A-7 | 5 1/4 x 7 1/4 | 5 x 6 7/8
|
A-8 | 5 1/2 x 8 1/8 | 5 1/4 x 7 3/4
|
A-Long | 3 7/8 x 8 7/8 | 3 3/4 x 8 5/8
|
A-10 | 6 x 9 1/2 | 5 3/4 x 9 1/8
|
In Great Britain, A4 is the standard size for folded letterhead, 4.25 x 8.625 inches. The dimensions of an A4 envelope is 324mm x 229mm. 1 millimeter = 0.03937 inches
