ISO B Sizes
B0:
1028 mm x 1456 mm
(40.48 in. x 57.32 in.)
B1:
707 mm x 1000 mm
(28.66 in. x 40.48 in.)
B2:
514 mm x 728 mm
(20.24 in. x 28.66 in.)
B3:
364 mm x 514 mm
(14.33 in. x 20.24 in.)
B4:
257 mm x 364 mm
(10.12 in. x 14.33 in.)
B5:
182 mm x 257 mm
(7.17 in. x 10.12 in.)
B6:
128 mm x 182 mm
(5.04 in. x 7.17 in.)