Side-by-Side Comparison
A-Series (ISO 216)
A7 vs. A8
Comparing 2 standards across 8 specifications. 7 key differences identified.
Comparing:
A7
A8
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.
A8 is an ISO 216 standard paper size measuring 52 × 74 mm (2.05 × 2.91 inches), with a surface area of 1/256 square meter. Approximately matching the footprint of standard bank payment cards, it is standard for European business cards, loyalty stamps, retail price tags, and transit ticket stubs.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
74 × 105 mm | 52 × 74 mm |
|
Width × Height (Imperial)
|
2.91 × 4.13 in | 2.05 × 2.91 in |
|
Nominal Surface Area
|
0.0078125 m² (1/128 m² — 7,770 mm²) | 0.00390625 m² (1/256 m² — 3,848 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
0.625 grams | 0.3125 grams |
|
Primary Applications
|
Pocket sticky note pads, pharmacy prescription slips, event passes, luggage tags | European calling cards, retail product price swing tags, barcode labels, flash cards |
|
Halving Relationship
|
Cut in half yields 2 sheets of A8 | — |
|
Comparison to ISO 7810 ID-1
|
— | Slightly smaller than credit card size (85.60 × 53.98 mm) |