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Ａ３ (エーさん, eesan) Japanese meaning: A3 (paper size) | Kotomora

Ａ３えーさん

Meanings

1

A3 (paper size)

Refers to the ISO 216 A3 paper size (297 × 420 mm). Commonly used in printing, copying, and design contexts.

このプリンターはＡ３用よう紙しに対たい応おうしています。
This printer supports A3 paper.

Related words

Ａ４えーよん
A4 is the most common office paper size, half the area of A3.
Ｂ４びーよん
B4 is a Japanese standard size slightly larger than A4, often used for magazines and posters.

Etymology

From the ISO 216 standard designation 'A3', where 'A' indicates the A series and '3' the size index. The reading エーさん is a straightforward Japanese pronunciation of the alphanumeric code.