A10 vs. A2
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.
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.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
26 × 37 mm | 420 × 594 mm |
|
Width × Height (Imperial)
|
1.02 × 1.46 in | 16.5 × 23.4 in |
|
Nominal Surface Area
|
0.0009765625 m² (1/1024 m² — 962 mm²) | 0.250 m² (250,000 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
0.078 grams | 20.0 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 | — |
|
Halving Relationship
|
— | Cut in half yields 2 sheets of A3 |
|
Primary Applications
|
— | Artistic photographic prints, desk calendars, sales territory charts, school classroom diagrams |