Side-by-Side Comparison
A-Series (ISO 216)
A6 vs. A7
Comparing 2 standards across 8 specifications. 7 key differences identified.
Comparing:
A6
A7
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.
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
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
105 × 148 mm | 74 × 105 mm |
|
Width × Height (Imperial)
|
4.13 × 5.83 in | 2.91 × 4.13 in |
|
Nominal Surface Area
|
0.015625 m² (1/64 m² — 15,625 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
|
1.25 grams | 0.625 grams |
|
Primary Applications
|
International postcards, pocket notebooks (Field Notes style), thermal photo prints, lab sample tags | Pocket sticky note pads, pharmacy prescription slips, event passes, luggage tags |
|
Matching Postal Envelope
|
C6 Envelope (114 × 162 mm) | — |
|
Halving Relationship
|
— | Cut in half yields 2 sheets of A8 |