# item.guide
Side-by-Side Comparison North American (ANSI & Arch)

ANSI D vs. ANSI E

Comparing 2 standards across 6 specifications. 6 key differences identified.

Comparing:
ANSI D
ANSI E

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.

View full ANSI D spec sheet →

ANSI E is the largest standardized engineering sheet size defined by ANSI/ASME Y14.1, measuring 34.0 × 44.0 inches (863.6 × 1117.6 mm). Equal to 16 US Letter sheets, it is standard for full-scale commercial aerospace wing spars, naval ship general arrangements, and highway interchange profiles.

View full ANSI E spec sheet →

Specification Comparison Table

6 Parameters
Parameter / Spec
Width × Height (Imperial)
22.00 × 34.00 in 34.00 × 44.00 in
Width × Height (Metric)
558.8 × 863.6 mm 863.6 × 1117.6 mm
ANSI Hierarchy
ANSI D = 2 × ANSI C = 4 × ANSI B = 8 × ANSI A ANSI E = 2 × ANSI D = 4 × ANSI C = 8 × ANSI B = 16 × ANSI A
Aspect Ratio
1 : 1.5455 (11 : 17 — identical to ANSI B) 1 : 1.2941 (17 : 22)
International ISO Equivalent
A1 (594 × 841 mm) A0 (841 × 1189 mm)
Primary Applications
Civil engineering utility plans, automotive chassis CAD plots, aerospace mechanical schematics Aerospace structural drawings, naval ship construction plans, state highway transit maps