Side-by-Side Comparison
North American (ANSI & Arch)
ANSI C vs. ANSI D
Comparing 2 standards across 6 specifications. 6 key differences identified.
Comparing:
ANSI C
ANSI D
ANSI C is an engineering paper standard defined by ANSI/ASME Y14.1, measuring 17.0 × 22.0 inches (431.8 × 558.8 mm). Formed by joining two ANSI B (Tabloid) sheets or four ANSI A (Letter) sheets, it is the entry format for mechanical CAD assembly drawings and electrical wiring schematics.
ANSI D is an engineering drawing paper standard defined by ANSI/ASME Y14.1, measuring 22.0 × 34.0 inches (558.8 × 863.6 mm). Formed by doubling ANSI C, it is the classic North American engineering blueprint format for civil engineering site plans, automotive chassis designs, and aerospace sub-assemblies.
Specification Comparison Table
6 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Imperial)
|
17.00 × 22.00 in | 22.00 × 34.00 in |
|
Width × Height (Metric)
|
431.8 × 558.8 mm | 558.8 × 863.6 mm |
|
ANSI Hierarchy
|
ANSI C = 2 × ANSI B (Tabloid) = 4 × ANSI A (Letter) | ANSI D = 2 × ANSI C = 4 × ANSI B = 8 × ANSI A |
|
Aspect Ratio
|
1 : 1.2941 (17 : 22 — identical aspect ratio to ANSI A) | 1 : 1.5455 (11 : 17 — identical to ANSI B) |
|
International ISO Equivalent
|
A2 (420 × 594 mm) | A1 (594 × 841 mm) |
|
Primary Applications
|
Mechanical component CAD drawings, electrical control panel schematics, industrial plumbing diagrams | Civil engineering utility plans, automotive chassis CAD plots, aerospace mechanical schematics |