Paper size series

ANSI sizes: Dimensions Chart

ANSI/ASME Y14.1 sizes for technical drawings. ANSI A is Letter; each step up doubles the area while alternating aspect ratios of about 1.29 and 1.55.

Sizes to scale

ANSI EANSI DANSI CANSI BANSI A
SizeMillimetresInchesPixels @ 300 dpiTypical use
ANSI A215.9 x 279.4 mm8.5 x 11 in2,550 x 3,300Technical and engineering drawings.
ANSI B279.4 x 431.8 mm11 x 17 in3,300 x 5,100Technical and engineering drawings.
ANSI C431.8 x 558.8 mm17 x 22 in5,100 x 6,600Technical and engineering drawings.
ANSI D558.8 x 863.6 mm22 x 34 in6,600 x 10,200Technical and engineering drawings.
ANSI E863.6 x 1117.6 mm34 x 44 in10,200 x 13,200Technical and engineering drawings.