envelopes

American sizes
European sizes

Sizes available in the United States

Announcement text envelopes

drawing of announcement text envelope

SizeDimensions
A-2 4 38 inches by 5 58 inches
A-6 4¾ inches by 6½ inches
A-7 5¼ inches by 7¼ inches
A-8 5½ inches by 8 18 inches
A-9 5¾ inches by 8¾ inches
A-10 6¼ inches by 9 58 inches
A-Long or Slim 3 78 inches by 8 78 inches

Baronial envelopes

drawing of baronial envelope

Pointed flap on long dimension, diagonal seams.

SizeDimensions
2 bar 3 316 inches by 4¼ inches
4 bar 3 58 inches by 4 58 inches
(some say, by 5 18 inches)
5 bar 4 18 inches by 5 18 inches
(some say, by 5½ or 5 58 inches)
5¼ bar 4¼ inches by 5¼ inches
5½ bar 4 38 inches by 5 58 inches
(some say, by 5¾ inches)
5¾ bar 4½ inches by 5¾ inches
6 bar 5 inches by 6 inches
(some say, 4¾ inches by 6½ inches)
LEE 5¼ inches by 7¼ inches

Commercial envelopes

drawing of commercial envelope

SizeDimensions
3½ inches by 6 inches
3½ inches by 6¼ inches
3 58 inches by 6½ inches
7 3¾ inches by 6¾ inches
3 78 inches by 7½ inches
8 78 inches by 7½ inches
9 3 78 inches by 8 78 inches
10 4 18 inches by 9½ inches
10½ 4½ inches by 9½ inches
11 4½ inches by 10 38 inches
12 4¾ inches by 11 inches
14 5 inches by 11½ inches
Monarch 3 38 inches by 7½ inches
Check 3 58 inches by 8 58 inches

Booklet envelopes

drawing of booklet envelope

SizeDimensions
3 4¾ inches by 6½ inches
5½ inches by 7½ inches
5 5½ inches by 8½ inches
6 5¾ inches by 8 7/8 inches
6 inches by 9 inches
6 58 6 inches by 9½ inches
6½ inches by 9½ inches
7 6¼ inches by 9 58 inches
7 inches by 10 inches
7½ inches by 10½ inches
9 8¾ inches by 11½ inches
9 inches by 12 inches
10 9½ inches by 12 58 inches
13 10 inches by 13 inches

Metal clasp envelopes

drawing of metal clasp envelope

Made of heavy paper: kraft or manila. Notice that the dimensions do not always increase with the size number, for example, #14 is bigger than #15.

SizeDimensions
0 2¼ inches by 4¼ inches
5 3 18 inches by 5½ inch
4 18 inches by 9½ inches
10 3 38 inches by 6 inches
11 4½ inch by 10 38 inches
14 5 inches by 11½ inches
15 4 inches by 6 38 inches
25 4 58 inches by 6¾ inches
35 5 inches by 7½ inches
50 5½ inches by 8¼ inches
55 6 inches by 9 inches
63 6½ inches by 9½ inches
68 7 inches by 10 inches
75 7½ inches by 10½ inches
80 8 inches by 11 inches
83 8½ inches by 11½ inches
87 8¾ inch by 11¼ inches
90 9 inches by 12 inches
93 9½ inches by 12½ inches
94 9¼ inches by 14½ inches
95 10 inches by 12 inches
97 10 inches by 13 inches
98 10 inches by 15 inches
105 11½ inches by 14½ inches
110 12 inches by 15½ inches

Catalog envelopes

drawing of catalog envelope

Flap on the short dimension, bottom seam, usually a center seam, but sometimes a single side seam.

SizeDimensions
1 6 inches by 9 inches
6½ inches by 9½ inches
2 6½ inches by 10 inches
3 7 inches by 10 inches
6 7½ inches by 10½ inches
7 8 inches by 11 inches
8 8¼ inches by 11¼ inches
8½ inches by 10½ inches
8¾ inches by 11¼ inches
10½ 9 inches by 12 inches
12½ 9½ inches by 12½ inches
13½ 10 inches by 13 inches
14¼ 11¼ inches by 1¼ inches
14½ 11½ inches by 14½ inches
15 10 inches by 15 inches
15½ 12 inches by 15½ inches

Remittance envelopes

Hug flap along the long dimension, suitable for printing a large amount of copy. The flap is sometimes perforated. Two side seams.

SizeDimensions
3½ inches by 6 inches
3½ inches by 6¼ inches
3 58 inches by 6½ inches
3 3½ inches by 6½ inches
9 3 78 inches by 8 78 inch
10 4 18 inches by 9½ inches

Ticket envelopes

SizeDimensions
3 1 1516 inches by 4 716 inches

Drug envelopes

Rounded flap on longest dimension, diagonal seams.

SizeDimensions
1 1¾ inches by 2 78 inches
3 2 516 inches by 3 58 inches

Policy envelopes

Flap on the short dimension, bottom seam, center seam. The long shape accommodates an insurance policy securely.

SizeDimensions
9 4 inches by 9 inches
10 4 18 inches by 9½ inches
11 4½ inches by 10 38 inches
12 4¾ inches by 10 78 inches
14 5 inches by 11½ inches

Coin envelopes

drawing of coin envelope

Flap on short dimension, center seam, bottom seam.

SizeDimensions
1 2¼ inches by 3½ inches
3 2½ inches by 4¼ inches
4 3 inches by 4½ inches
3 inches by 4 78 inches
5 2 78 inches by 5¼ inches
3 18 by 5½ inches
6 3 38 inches by 6 inches
7 3½ inches by 6½ inches

Window envelopes

On window envelopes a rectangle with rounded corners is cut out of the front of the envelope, to allow addresses printed on the letter within to show through. The hole is often covered with a patch of polyethylene, cellophane, or glassine. Only the most common sizes are listed below.

The window on the following sizes is 4¾ inches by 1 1/8 inches and is placed ¾ inch from the left for the 6¼ size and 7/8 inches for all other sizes, and ½ inch from the bottom.

SizeDimensions
3½ inches by 6 inches
3 58 inches by 6½ inches
7 3¾ inches by 6¾ inches
3 78 inches by 7½ inches

The 8 58 inches window envelope comes in two versions.

A Check 3 58 inches by 8 58 inches.
The window is:
  • 4¾ inches by 1 18 inches
  • located 58 inch from the left and 1316 inch from the bottom.
B Check 3 58 inches by 8 58 inches
The window is
  • 4 inches by 1 inches
  • located 1 inch from the left and ¾ inch from the bottom.

The window on the following sizes is 4½ inches by 1 1/8 inches, and is located 78 inch from the left and ½ inch from the bottom.

SizeDimensions
9 3 78 inches by 8 78 inches
10 4 18 inches by 9½ inches
11 4½ inches by 10 38 inches

Sizes available in Europe

Number Height
millimeters
Width
millimeters
C7 81 114
C7/6 81 162
DL 110 220
C6 114 162
B6 125 176
½BC4 125 324
E6 140 200
C5 162 229
B5 176 250
E5 200 280
C4 229 324
B4 250 353
E4 280 400

home | materials index | search |  to email Sizes drawing of envelope |  acknowledgements | 
help | privacy | terms of use