B9

Translingual

The relative size of B9 paper makes it half the size of B8.

Etymology

Specified in ISO 216.

Symbol

B9

1. (international standards) ISO 216 standard paper size of 44 mm × 62 mm (1.73 in × 2.44 in), with a surface area of 27.3 cm² (4.23 sq in).

See also

ISO 216/269 paper sizes

A series: 4A0 2A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B series: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 C series: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10