ANSI C vs. US Legal
Comparing 2 standards across 8 specifications. 8 key differences identified.
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.
US Legal is a North American traditional paper size measuring 8.5 × 14.0 inches (215.9 × 355.6 mm). Sharing the 8.5-inch width of US Letter but extending 3 inches longer, it is used throughout the US and Canadian legal systems for courtroom trial transcripts, real estate deeds, and legislative statutes.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Imperial)
|
17.00 × 22.00 in | 8.50 × 14.00 in |
|
Width × Height (Metric)
|
431.8 × 558.8 mm | 215.9 × 355.6 mm |
|
Aspect Ratio
|
1 : 1.2941 (17 : 22 — identical aspect ratio to ANSI A) | 1 : 1.6471 (17 : 28) |
|
Primary Applications
|
Mechanical component CAD drawings, electrical control panel schematics, industrial plumbing diagrams | Court legal filings, real estate title contracts, commercial loan agreements, restaurant food menus |
|
ANSI Hierarchy
|
ANSI C = 2 × ANSI B (Tabloid) = 4 × ANSI A (Letter) | — |
|
International ISO Equivalent
|
A2 (420 × 594 mm) | — |
|
Surface Area
|
— | 119.0 in² (0.0768 m²) |
|
Height Comparison to Letter
|
— | +3.0 inches (76.2 mm) longer than standard US Letter |