Standard Envelope Sizes

When it comes to ordering an envelope, it's important to understand which sizes are standard and most popular. Listed below are a wide range of standard sizes for a variety of different envelope types and styles.

Commercials

Envelope #Dimensions (inches)Max. Enclosure Size (inches)
#53-1/8 x 5-1/22-7/8 x 5-1/4
#6-1/43-1/2 x 63-1/4 x 5-3/4
#6-3/43-5/8 x 6-1/23-3/8 x 6-1/4
#73-3/4 x 6-3/43-1/2 x 6-1/2
#7-1/23-15/16 x 7-1/23-11/16 x 7-1/4
#8-5/83-5/8 x 8-5/83-3/8 x 8-3/8
#93-7/8 x 8-7/83-5/8 x 8-5/8
#104-1/8 x 9-1/23-7/8 x 9-1/4
#114-1/2 x 10-3/84-1/4 x 10-1/8
#124-3/4 x 114-1/2 x 10-3/4
#145 x 11-1/24-3/4 x 11-1/4

Catalogs

Dimensions (inches)Max. Enclosure Size (inches)
6 x 95-3/4 x 8-3/4
6 x 9-1/25-3/4 x 9-1/4
6-1/2 x 9-1/26-1/4 x 9-1/4
7-1/2 x 10-1/27-1/4 x 10-1/4
9 x 128-3/4 x 11-3/4
9-1/2 x 12-1/29-1/4 x 12-1/4
10 x 139-3/4 x 12-3/4
10 x 159-3/4 x 14-3/4
12 x 15-1/211-3/4 x 15-1/4

Booklets

Dimensions (inches)Max. Enclosure Size (inches)
6 x 95-3/4 x 8-3/4
6 x 9-1/25-3/4 x 9-1/4
6-1/2 x 9-1/26-1/4 x 9-1/4
7-1/2 x 10-1/27-1/4 x 10-1/4
9 x 128-3/4 x 11-3/4
10 x 139-3/4 x 12-3/4
10 x 159-3/4 x 14-3/4

Announcements

Envelope #Dimensions (inches)Max. Enclosure Size (inches)
A-24-3/8 x 5-3/44-1/8 x 5-1/2
A-64-3/4 x 6-1/24-1/2 x 6-1/4
A-75-1/4 x 7-1/45 x 7
A-85-1/2 x 8-1/85-1/4 x 7-7/8
A-95-3/4 x 8-3/45-1/2 x 8-1/2
A-106 x 9-1/25-3/4 x 9-1/4