Side-by-Side Comparison
A-Series (ISO 216)
A1 vs. A7
Comparing 2 standards across 7 specifications. 6 key differences identified.
Comparing:
A1
A7
A1 is an ISO 216 standard paper size measuring 594 × 841 mm (23.4 × 33.1 inches), with an exact surface area of 0.500 square meters (half of A0). It is the premier standard format for architectural blueprints, structural engineering drawings, municipal planning maps, and large-format flipcharts.
A7 is an ISO 216 standard paper size measuring 74 × 105 mm (2.91 × 4.13 inches), with a surface area of 1/128 square meter. Created by cutting an A6 sheet in half, it is widely utilized for pocket memo pads, medical prescription slips, event tickets, and promotional product tags.
Specification Comparison Table
7 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
594 × 841 mm | 74 × 105 mm |
|
Width × Height (Imperial)
|
23.4 × 33.1 in | 2.91 × 4.13 in |
|
Nominal Surface Area
|
0.500 m² (500,000 mm²) | 0.0078125 m² (1/128 m² — 7,770 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
40.0 grams | 0.625 grams |
|
Halving Relationship
|
Cut in half yields 2 sheets of A2 | Cut in half yields 2 sheets of A8 |
|
Primary Applications
|
Architectural blueprints, conference presentation boards, large flipcharts, theatrical event posters | Pocket sticky note pads, pharmacy prescription slips, event passes, luggage tags |