ENVELOPE Style & Size Guide

Not sure which envelope style or size you need? We’ve put this cheatsheet together just for that reason! Below you’ll find the most common envelope styles, and a list of sizes, along with dimensions for both the envelope itself and what will fit inside of it (the insert size). Want to print this out to save it or hang it up? Download the PDF!

Announcement Envelopes

Announcement

Name Envelope Size Insert Size
A1 3.625 x 5.125 3.475 x 4.875
A2 4.375 x 5.75 4.25 x 5.5
A6 4.75 x 6.5 4.625 x 6.25
A7 5.25 x 7.25 5 x 7
A8 5.5 x 8.125 5.25 x 7.75
A9 5.75 x 8.875 5.5 x 8.625
A10 6 x 9.5 5.875 x 9.25
Commercial Envelopes

Commercial

Name Envelope Size Insert Size
5 3.0625 x 5.5 5.25
6-1/4 3.5 x 6 3.25 x 5.75
6-3/4 3.625 x 6.5 3.5 x 6.25
8-5/8 3.625 x 8.625 3.5 x 8.375
7 3.75 x 6.75 3.5 x 6.5
7-3/4 3.875 x 6.75 3.75 x 6.5
Monarch 3.875 x 7.5 3.75 x 7.25
9 3.875 x 8.875 3.75 x 8.675
9 Policy 4 x 9 3.75 x 8.5
10 4.125 x 9.5 4 x 9.25
DL 4.313 x 8.625 4.125 x 8.375
11 4.5 x 10.375 4.25 x 10.125
12 4.75 x 11 4.5 x 10.75
14 5 x 11.5 4.75 x 11.25
16 6 x 12 5.75 x 11.75
Booklet Envelopes

Booklet

Name Envelope Size Insert Size
3 4.75 x 6.5 4.5 x 6
4-1/2 5.5 x 7.5 5.25 x 7
5 5.5 x 8.125 5.25 x 7.625
6 5.75 x 8.875 5.5 x 8.375
6-1/2 6 x 9 5.75 x 9
6-5/8 6 x 9.5 5.75 x 9.25
6-3/4 6.5 x 9.5 6.25 x 9
7-1/4 7 x 10 6.75 x 9.5
7-1/2 7.5 x 10 7.25 x 10
9 8.75 x 11.5 8.5 x 11
9-1/2 9 x 12 8.75 x 11.5
10 9.5 x 12.625 9.25 x 12.125
13 10 x 13 9.75 x 12.5
Square Envelopes

Square

Name Envelope Size Insert Size
5 5 x 5 4.75 x 4.75
5-1/2 5.5 x 5.5 5.25 x 5.25
6 6 x 6 5.75 x 5.75
6-1/2 6.5 x 6.5 6.25 x 6.25
7 7 x 7 6.75 x 6.75
7-1/2 7.5 x 7.5 7.25 x 7.25
8 8 x 8 7.75 x 7.75
8-1/2 8.5 x 8.5 8.25 x 8.25
9 9 x 9 8.75 x 8.75
9-1/2 9.5 x 9.5 9.25 x 9.25
10 10 x 10 9.75 x 9.75
13-1/2 13.5 x 13.5 13.25 x 13.25
Remittance Envelopes

Remittance

Name Envelope Size Insert Size
6-1/4 3.5 x 6 3.35 x 5.75
6-1/2 3.5 x 6.25 3.25 x 6
6-3/4 3.625 x 6.5 3.375 x 6.25
9 3.875 x 8.875 3.625 x 8.625
Baronial Envelopes

Baronial

Name Envelope Size Insert Size
1 Bar 3.625 x 5.125 3.475 x 4.875
5 Bar 4.125 x 5.5 4 x 5.25
5-1/2 Bar 4.375 x 5.75 4.25 x 5.5
6 Bar 4.75 x 6.5 4.625 x 6.25
7 Bar 5.25 x 7.25 5.125 x 7
8 Bar 5.5 x 8.125 5.375 x 7.875
9 Bar 5.75 x 8.75 5.625 x 8.625
10 Bar 6 x 9.5 5.875 x 9.25
Catalog Envelopes

Catalog

Name Envelope Size Insert Size
1 6 x 9 5.75 x 8.75
1-3/4 6.5 x 9.5 6.25 x 9.25
3 7 x 10 6.75 x 9.5
6 7.5 x 10.5 7.25 x 10
8 8.25 x 11.25 8 x 10.75
9-3/4 8.75 x 11.25 8.5 x 10.75
10-1/2 9 x 12 8.75 x 11.5
14-1/4 10 x 15 9.75 x 14.5