B Series

B series paper is the geometrical mean between the A series format with that particular number, and the A series format with the preceding number. So for example B1 is the geometric mean between A1 and A0. The sides of B0 are 1m to √2m. The B series is less common than the A series, and is most often used for posters, books, envelopes and passports.

ISO B Series Paper Sizes Table

Download B Series Paper Sizes PDF Factsheet

A Series Paper Sizes
A4 Paper Size
US Letter Paper Size
Billboard Sizes
Newspaper Sizes
ISO Envelope Sizes
US Envelope Sizes
ANSI Paper Sizes
Business Card Sizes
Photo Sizes
Old Imperial Sizes
Canadian Paper Sizes
North American Architectural Sizes

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