Side-by-Side Comparison
North American (ANSI & Arch)
Arch D vs. US Executive
Comparing 2 standards across 9 specifications. 9 key differences identified.
Comparing:
Arch D
US Executive
Arch D (Architectural D) is the dominant commercial architectural drawing paper format in the United States, measuring exactly 24.0 × 36.0 inches (609.6 × 914.4 mm). Operating on a clean 2:3 aspect ratio, it is the mandated standard for US building permit architectural blueprints, construction site floor plans, and residential elevations.
US Executive (also known as Monarch) is a traditional North American stationery paper size measuring 7.25 × 10.5 inches (184.2 × 266.7 mm). Slightly more compact than US Letter, it is standard for formal corporate executive stationery, personalized social letterheads, and luxury correspondence pads.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Imperial)
|
24.00 × 36.00 in | 7.25 × 10.50 in |
|
Width × Height (Metric)
|
609.6 × 914.4 mm | 184.2 × 266.7 mm |
|
Aspect Ratio
|
2 : 3 (1 : 1.5000 — whole integer aspect ratio) | 1 : 1.4483 (29 : 42) |
|
Primary Applications
|
US building permit sets, architectural floor plans, structural framing blueprints, MEP schematics | C-suite executive letterhead stationery, formal invitations, personal memo stationery |
|
Arch Series Hierarchy
|
Arch D = 2 × Arch C (18×24 in) = 4 × Arch B (12×18 in) = 8 × Arch A (9×12 in) | — |
|
Comparison to Engineering ANSI D
|
Arch D (24×36 in) is 2 inches wider and 2 inches longer than ANSI D (22×34 in) | — |
|
Plotter Roll Standard
|
Standard 24-inch and 36-inch wide wide-format bond rolls | — |
|
Matching Envelope
|
— | Monarch Envelope (3.875 × 7.50 in / 98.4 × 190.5 mm) |
|
Surface Area Comparison
|
— | Approx. 81% of the surface area of standard US Letter |