Envelope Sizes by Style
A2
Width: 5.75 in.
Height: 4.375 in.
Insert: 5.5″ x 4.125″
A6
Width: 6.5 in.
Height: 4.75 in.
Insert: 6.25″ x 4.5″
A7
Width: 7.25 in.
Height: 5.25 in.
Insert: 7″ x 5″
A8
Width: 8.125 in.
Height: 5.5 in.
Insert: 7.875″ x 5.25″
A10
Width: 9.5 in.
Height: 6 in.
Insert: 9.25″ x 5.75″
#6 ½
Width: 6.25 in.
Height: 3.5625 in.
Insert: 6″ x 3.325″
#6¾
Width: 6.5 in.
Height: 3.5 in.
Insert: 6.25″ x 3.325″
#7¾
Width: 7.5 in.
Height: 3.875 in.
Insert: 7.5″ x 3.625″
#9
Width: 8.875 in.
Height: 3.875 in.
Insert: 8.625″ x 3.625″
#10
Width: 9.5 in.
Height: 4.125 in.
Insert: 9.25″ x 3.875″
6×9
Width: 6 in.
Height: 9 in.
Insert: 5.75″ x 8.75″
9×12
Width: 9 in.
Height: 12 in.
Insert: 8.75″ x 11.75″
10×13
Width: 10 in.
Height: 13 in.
Insert: 9.75″ x 12.75″
6×9
Width: 6 in.
Height: 9 in.
Insert: 5.75″ x 8.75″
9×12
Width: 9 in.
Height: 12 in.
Insert: 8.75″ x 11.75″
10×13
Width: 10 in.
Height: 13 in.
Insert: 9.75″ x 12.75″
#6¾
Width: 6.5 in.
Height: 3.625 in.
Insert: 6.25″ x 3.375″
#9
Width: 8.875 in.
Height: 3.875 in.
Insert: 8.625″ x 3.625″
#6¼
Width: 6.25 in.
Height: 3 in.
Insert: 6″ x 2.75″
