Side-by-Side Comparison
A-Series (ISO 216)
A2 vs. A6
Comparing 2 standards across 8 specifications. 7 key differences identified.
Comparing:
A2
A6
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.
A6 is an ISO 216 standard paper size measuring 105 × 148 mm (4.13 × 5.83 inches), with a surface area of 1/64 square meter. Created by folding an A4 sheet into quarters, it is the worldwide postal standard for international picture postcards, pocket diaries, and point-of-sale receipt slips.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
420 × 594 mm | 105 × 148 mm |
|
Width × Height (Imperial)
|
16.5 × 23.4 in | 4.13 × 5.83 in |
|
Nominal Surface Area
|
0.250 m² (250,000 mm²) | 0.015625 m² (1/64 m² — 15,625 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
20.0 grams | 1.25 grams |
|
Primary Applications
|
Artistic photographic prints, desk calendars, sales territory charts, school classroom diagrams | International postcards, pocket notebooks (Field Notes style), thermal photo prints, lab sample tags |
|
Halving Relationship
|
Cut in half yields 2 sheets of A3 | — |
|
Matching Postal Envelope
|
— | C6 Envelope (114 × 162 mm) |