Side-by-Side Comparison
A-Series (ISO 216)
A10 vs. A5
Comparing 2 standards across 9 specifications. 8 key differences identified.
Comparing:
A10
A5
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.
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.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
26 × 37 mm | 148 × 210 mm |
|
Width × Height (Imperial)
|
1.02 × 1.46 in | 5.83 × 8.27 in |
|
Nominal Surface Area
|
0.0009765625 m² (1/1024 m² — 962 mm²) | 0.03125 m² (1/32 m² — 31,250 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
0.078 grams | 2.5 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 A6 |
|
Primary Applications
|
— | Stationery notebooks (Moleskine, Rhodia), marketing flyers, paperback booklets, event programs |