US Architectural Sizes
All US Architectural paper sizes, formats, information and dimension in mm, cm, m, inches, and pixels. The US Architectural category has a total of 8 paper sizes.
| Format | Size (mm) | Size (in) |
|---|---|---|
| Arch E | 914 × 1219 mm | 36.0 × 48.0 in |
| Arch E1 | 762 × 1067 mm | 30.0 × 42.0 in |
| Arch E3 | 686 × 991 mm | 27.0 × 39.0 in |
| Arch E2 | 660 × 965 mm | 26.0 × 38.0 in |
| Arch D | 610 × 914 mm | 24.0 × 36.0 in |
| Arch C | 457 × 610 mm | 18.0 × 24.0 in |
| Arch B | 305 × 457 mm | 12.0 × 18.0 in |
| Arch A | 229 × 305 mm | 9.0 × 12.0 in |
What are US Architectural Paper Sizes?
The Arch series is used for architectural purposes in North America. These sizes have integer ratios of dimensions (like 4:3 or 3:2), which is helpful for drafting.
Frequently Asked Questions
How are US Architectural Sizes dimensions measured?
Standard US Architectural Sizes dimensions are officially measured in millimeters and inches. For printing purposes, these physical dimensions can be converted to pixels depending on the desired DPI (dots per inch) resolution.
What is the largest size in the US Architectural Sizes category?
The largest size listed in our database for US Architectural Sizes is Arch E, which measures 914 × 1219 mm.
How many sizes are included in the US Architectural Sizes standard?
There are currently 8 distinct paper sizes documented in the US Architectural Sizes series.
Are US Architectural Sizes formats used internationally?
While US Architectural Sizes formats may have originated in specific regions or industries, they are often widely recognized and utilized across various specialized printing, packaging, and design workflows globally.
How can I compare US Architectural Sizes dimensions with other sizes?
You can use our dedicated Compare tool to visually contrast any US Architectural Sizes format against other standard paper sizes, allowing you to see the exact dimensional differences side-by-side.