Side-by-Side Comparison
A-Series (ISO 216)
A2 vs. A7
Comparing 2 standards across 7 specifications. 6 key differences identified.
Comparing:
A2
A7
A2 is an ISO 216 standard paper size measuring 420 × 594 mm (16.5 × 23.4 inches), with a surface area of 0.250 square meters (one quarter of A0). Providing a balanced medium-large format, it is standard for fine-art photographic prints, architectural site overviews, large wall calendars, and retail window display posters.
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)
|
420 × 594 mm | 74 × 105 mm |
|
Width × Height (Imperial)
|
16.5 × 23.4 in | 2.91 × 4.13 in |
|
Nominal Surface Area
|
0.250 m² (250,000 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
|
20.0 grams | 0.625 grams |
|
Halving Relationship
|
Cut in half yields 2 sheets of A3 | Cut in half yields 2 sheets of A8 |
|
Primary Applications
|
Artistic photographic prints, desk calendars, sales territory charts, school classroom diagrams | Pocket sticky note pads, pharmacy prescription slips, event passes, luggage tags |