A1 vs. A10
Comparing 2 standards across 9 specifications. 8 key differences identified.
A1 is an ISO 216 standard paper size measuring 594 × 841 mm (23.4 × 33.1 inches), with an exact surface area of 0.500 square meters (half of A0). It is the premier standard format for architectural blueprints, structural engineering drawings, municipal planning maps, and large-format flipcharts.
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.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
594 × 841 mm | 26 × 37 mm |
|
Width × Height (Imperial)
|
23.4 × 33.1 in | 1.02 × 1.46 in |
|
Nominal Surface Area
|
0.500 m² (500,000 mm²) | 0.0009765625 m² (1/1024 m² — 962 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
40.0 grams | 0.078 grams |
|
Halving Relationship
|
Cut in half yields 2 sheets of A2 | — |
|
Primary Applications
|
Architectural blueprints, conference presentation boards, large flipcharts, theatrical event posters | — |
|
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 |