Paper size

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Comparing different paper sizes


Paper comes in different sizes. There are names for the different sizes of paper. In different parts of the world, different sizes and names are used.

There are also envelope sizes made to fit different kinds of paper.


United States and Canada[change | edit source]

In the United States and Canada the normal size of paper is called letter size, or sometimes US letter. It is 8½ inches wide and 11 inches long.

The other common size of paper in the US is called legal, or sometimes US legal. It is also 8½ inches wide, but it is 14 inches long.

Another size is called executive. It is 7¼ inches wide by 10½ inches long. It is not very common. It is sometimes used for writing personal letters to people.

There is also a size called tabloid. It is 11 inches wide, and 17 inches long. That is the same size as two pieces of letter size put next to each other.

There are also many other paper sizes used for writing notes, for big posters, for books, and for other things.

Europe and other places[change | edit source]

In Europe and other places an international system of paper sizes is used. The normal size of paper is called A4. It is measured in metric. It is 210 millimeters wide and 297 millimeters long. This is about the size of US letter, but it is a little narrower, and a little longer.

The other common size of paper in Europe is called B5. It is 176 millimeters wide by 250 millimeters long. This is about the same as executive size in the United States. It is sometimes used for writing personal letters to people.

There are also many other paper sizes used for writing notes, for big posters, for books, and for other things.

In the international paper size system, the sizes are based on mathematical formulas. A0 is the biggest. A1 is half as big as A0. A2 is half as big as A1, and so on. The sizes with "B" and "C" in their name are in between the "A" sizes.

Paper sizes and computer printers[change | edit source]

Most printers used with computers are designed to fit US letter and A4, and smaller paper sizes. Sometimes they can fit US legal also. For larger paper sizes, printers at professional printing businesses may be needed.

Details[change | edit source]

Here are charts showing all the different sizes of paper that are usually made. If a company wants to make something with a different size of paper than these, they have to have it specially cut for them.

U.S./Canada Paper Sizes
Name Inches mm Ratio
width first, then length
Quarto 8 × 10 203 x 254 1.25
Foolscap 8 x 13 203 x 330 1.625
Executive 7¼ x 10½ 184 x 267 1.4483
Government-letter 8 x 10½ 203 x 267 1.3125
Letter 8½ × 11 216 × 279 1.2941
Legal 8½ × 14 216 × 356 1.6471
Ledger, Tabloid 11 × 17 279 × 432 1.5455
Post 15½ × 19¼ 394 × 489 1.2419
Crown 15 × 20 381 × 508 1.3333
Large post 16½ × 21 419 × 533 1.2727
Demy 17½ × 22½ 445 × 572 1.2857
Medium 18 × 23 457 × 584 1.2778
Royal 20 × 25 508 × 635 1.25
Elephant 23 × 28 584 × 711 1.2174
Double demy 22½ × 35 572 × 889 1.5542
Quad demy 35 × 45 889 × 1143 1.2857
Statement 5½ × 8½ 140 × 216 1.5455
A 8½ x 11 216 x 279 1.2941
B 11 x 17 279 x 432 1.5455
C 17 x 22 432 x 559 1.2941
D 22 x 34 559 x 864 1.5455
E 34 × 44 864 × 1118 1.2941
International Paper Sizes (in mm)
A B C
width first, then length
0 841 × 1189 1000 × 1414 917 × 1297
1 594 × 841 707 × 1000 648 × 917
2 420 × 594 500 × 707 458 × 648
3 297 × 420 353 × 500 324 × 458
4 210 × 297 250 × 353 229 × 324
5 148 × 210 176 × 250 162 × 229
6 105 × 148 125 × 176 114 × 162
7 74 × 105 88 × 125 81 × 114
8 52 × 74 62 × 88 57 × 81
9 37 × 52 44 × 62 40 × 57
10 26 × 37 31 × 44 28 × 40