A10 vs. A8
Comparing 2 standards across 9 specifications. 8 key differences identified.
A10 is the smallest standardized paper size defined under ISO 216, measuring 26 × 37 mm (1.02 × 1.46 inches) with a surface area of 1/1024 square meter. It is standard for admission raffle ticket stubs, micro coupons, small security inspection stamps, and dental sample labels.
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
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
26 × 37 mm | 52 × 74 mm |
|
Width × Height (Imperial)
|
1.02 × 1.46 in | 2.05 × 2.91 in |
|
Nominal Surface Area
|
0.0009765625 m² (1/1024 m² — 962 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
|
0.078 grams | 0.3125 grams |
|
A4 Imposition Yield
|
64 individual A10 pieces per single A4 master sheet | — |
|
Status in ISO 216
|
The absolute smallest formal size defined in the standard | — |
|
Comparison to ISO 7810 ID-1
|
— | Slightly smaller than credit card size (85.60 × 53.98 mm) |
|
Primary Applications
|
— | European calling cards, retail product price swing tags, barcode labels, flash cards |