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International Standard Paper Sizes
“A” series “trim” (R) and “bleed” (SR) sizes with metric and customary dimensions

Size Millimeters Approx Inches
RA0 860 X 1220 33 7/8 X 48 1/8
RA1 610 X 860 24 1/8 X 33 7/8
RA2 430 X 610 17 X 24 1/8
SRA0 900 X 1280 35 1/2 X 50 3/8
SRA1 640 X 900 25 1/4 X 35 1/2
SRA2 450 X 640 17 7/8 X 25 1/4