Comparison US-Letter Paper-A4 Paper-A3 Paper

Understanding the Paper Sizes: US-Letter Paper | A4 Paper | A3 Paper

US-Letter Paper Size:

8.5 in x 11 in
7.5 in x 10 in
21.59 cm x 27.94 cm

A4 Paper Size:

8.27 in x 11.69 in
7.27 in x 10.69 in
21 cm x 29.7 cm

A3 Paper Size:

11.69 in x 16.54 in
10.69 in x 15.54 in
29.7 cm x 42 cm

Comparison of US-Letter, A4, and A3 Paper Sizes - Images Below

As you can see, all the papers above have a 1-inch difference between the paper sizes and the rectangular boxes.

For example, the US-Letter Paper is 8.5 x 11 inches, and the rectangle is 7.5 x 10 inches, which means that the paper has a 0.5-inch margin. This allows you to place the pattern onto the template without losing the sizes of your e-pattern.