Envelope Size Chart

Last Updated 10/14/09

Announcement
Also called A-style, this contemporary design is idea for photographs, greeting cards, small booklets, and promotional pieces.
Do not confuse the A-4 size with metric A4 paper, which fits into a DL size Commercial envelope.

A-STYLE

ENVELOPE SIZE

ENCLOSURE SIZE

A-1

3 5/8" x 5 1/8"

 

A-2

4 3/8 x 5 3/4

4 1/4 x 5 1/2

A-4 (Great Britian)

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

A-4 Information: 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

Business & Correspondence
Widely used for business and personal correspondence.


TYPE

SIZE

ENCLOSURE

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"

Monarch (7 3/4)

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
This style is ideal for annual reports, brochures, sales materials, and more.


TYPE

SIZE

ENCLOSURE

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"

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 10.5"

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"

Catalog
Center seam makes this style more durable for mailing heavy-weight materials..


TYPE

SIZE

ENCLOSURE

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"

12 1/2

9.5" x 12.5"

9.25" x 12"

13 1/2

10" x 13"

9.75" x 12.5"

14 1/2

11.5" x 14.5"

11.25" x 14"

15

10" x 15"

9.75" x 14.5"

15 1/2

12" x 15.5"

11.75" x 15"

Square
This unusual shape attracts attention to contents.
Square envelopes are nonstandard and require additional postage to mail
.


TYPE

SIZE

ENCLOSURE

5"

5" x 5"

4.75" x 4.75"

5 "

5.5" x 5.5"

5.25" x 5.25"

6"

6" x 6"

5.75" x 5.75"

6 "

6.5" x 6.5"

6.25" x 6.25"

7"

7" x 7"

6.75" x 6.75"

7 "

7.5" x 7.5"

7.25" x 7.25"

8"

8" x 8"

7.75" x 7.75"

8 "

8.5" x 8.5"

8.25" x 8.25"

9"

9" x 9"

8.75" x 8.75"

9 "

9.5" x 9.5"

9.25" x 9.25"

10"

10" x 10"

9.75" x 9.75"

13 "

13.5" x 13.5"

13.25" x 13.25"

Baronial
Deep pointed flap traditionally used for formal announcements and invitations.


TYPE

SIZE

ENCLOSURE

Professional*

2.125" x 3.625"

2" x 3.5"

#16 (Mrs.)*

2.375" x 3.375"

2.25" x 3.125"

#17 (Mr. & Mrs.)*

2.6875" x 3.6875"

2.5625" x 3.5625"

Gladstone*

3.563" x 5.562"

3.375" x 5.375"

4-Bar

3.625" x 5.125"

3.475" x 4.875"

5-Bar

4.375" x 5.75"

4.25" x 5.5"

Walton Inside

6.5" x 6.5"

6.25" x 6.25"

6-Bar/Walton Outside

4.75" x 6.5"

4.625" x 6.25"

Lee

5.25" x 7.25"

5.125" x 7"

Linwood/Monona Inside

5.25"" x 7.5""

5" x 7.25"

Monona Outside

5.5" x 7.75"

5.25" x 7.5"

* This size is too small to mail.

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