Side-by-Side Comparison
A-Series (ISO 216)
A10 vs. A3
Comparing 2 standards across 9 specifications. 8 key differences identified.
Comparing:
A10
A3
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.
A3 is an ISO 216 standard paper size measuring 297 × 420 mm (11.7 × 16.5 inches), with a surface area of 0.125 square meters (one eighth of A0). It is the standard large-format paper supported by commercial office multifunction printers (MFPs), widely used for financial spreadsheets, two-page A4 magazine spreads, and engineering diagrams.
Specification Comparison Table
9 Parameters| Parameter / Spec | ||
|---|---|---|
|
Width × Height (Metric)
|
26 × 37 mm | 297 × 420 mm |
|
Width × Height (Imperial)
|
1.02 × 1.46 in | 11.7 × 16.5 in |
|
Nominal Surface Area
|
0.0009765625 m² (1/1024 m² — 962 mm²) | 0.125 m² (125,000 mm²) |
|
Exact Aspect Ratio
|
1 : √2 (1 : 1.4142) | 1 : √2 (1 : 1.4142) |
|
Weight of Standard 80 gsm Sheet
|
0.078 grams | 10.0 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 or folded in half yields 2 sheets / 4 pages of A4 |
|
Primary Applications
|
— | Office spreadsheets, folded A4 booklets, ledger accounting, small posters |