Guide to Envelope Sizes & Styles

This chart provides you with the dimensions of the most common envelope styles and sizes. It does not include every size available. If you can’t find the envelope you need, please call us.

Commercial Size
6 1/4 6" x 3 1/2" (6" x 3.5")
6 3/4 6 1/2" x 3 5/8" (6.5" x 3.625")
7 6 3/4" x 3 3/4" (6.75" x 3.75")
Monarch 7 1/2" x 3 3/8" (7.5" x 3.375")
Check 8 5/8" x 3 5/8" (8.625" x 3.625")
9 8 7/8" x 3 7/8" (8.875" x 3.875")
10 9 1/2" x 4 1/8" (9.5" x 4.125")
11 10 3/8" x 4 1/2" (10.375" x 4.5")
12 11" x 4 3/4" (11" x 4.75")
14 11 1/2" x 5" (11.5" x 5")

Announcement Size
A2 5 3/4" x 4 3/8" (5.75" x 4.375")
A6 6 1/2" x 5 3/4" (6.5" x 5.75")
A7 7 1/4" x 5 1/4" (7.25" x 5.25")
A8 8 1/8" x 5 1/2" (8.125" x 5.5")
Slimline 8 7/8" x 3 7/8" (8.875" x 3.875")
A10 9 1/2" x 6" (9.5" x 6")

Baronial Size
4 Baronial 5 1/8" x 3 5/8" (5.125" x 3.625")
5 Baronial 5 1/2" x 4 1/8" (5.5" x 4.125")
5 1/2 Baronial 5 3/4" x 4 3/8" (5.75" x 4.375")
6 Baronial 6 1/2" x 4 3/4" (6.5" x 4.75")