ANSI/ASME Y14.1 - U.S. Standard Engineering Drawing Sizes

Reference tool for U.S. Standard Engineering Drawing Sizes according to ANSI/ASME Y14.1 specifications. This tool provides information about standard engineering drawing dimensions and formats.

Drawing Size	Width (inches)	Height (inches)	Aspect Ratio	Common Use
A	8.5	11	1:1.29	General purpose, letters
B	11	17	1:1.55	Continuation of A size
C	17	22	1:1.29	Engineering drawings
D	22	34	1:1.55	Large engineering drawings
E	34	44	1:1.29	Very large engineering drawings
F	28	40	1:1.43	Auxiliary paper size