A5 vs. A7
Comparing 2 standards across 7 specifications. 6 key differences identified.
A5 is an ISO 216 standard paper size measuring 148 × 210 mm (5.83 × 8.27 inches), created by cutting or folding an A4 sheet in half. It is the dominant global format for commercial spiral notebooks, daily planners, paperback novels, corporate marketing flyers, and restaurant menus.
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)
|
148 × 210 mm | 74 × 105 mm |
|
Width × Height (Imperial)
|
5.83 × 8.27 in | 2.91 × 4.13 in |
|
Nominal Surface Area
|
0.03125 m² (1/32 m² — 31,250 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
|
2.5 grams | 0.625 grams |
|
Halving Relationship
|
Cut in half yields 2 sheets of A6 | Cut in half yields 2 sheets of A8 |
|
Primary Applications
|
Stationery notebooks (Moleskine, Rhodia), marketing flyers, paperback booklets, event programs | Pocket sticky note pads, pharmacy prescription slips, event passes, luggage tags |