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Paper and Card Sizes

Paper and Card sizes are generally organised through an 'A' system in an ascending sequential order. The main thing to remember is the lower the number, the bigger the size  the largest size being A0. For example, A1 measures half the size of A0, A2 measures half the size of A1, and so on. Below is a diagram showing you the 'A' system in full, plus a sizing chart containing all the measurements you'll need.

'A' System Size Chart

SizeMillimetresInches
A0 841mm x 1189mm 33.1" x 46.8"
A1 594mm x 841mm 23.4" x 33.1"
A2 420mm x 594mm 16.5" x 23.4"
A3 297mm x 420mm 11.7" x 16.5"
A4 210mm x 297mm 8.3" x 11.7"
A5 148mm x 105mm 5.8" x 8.3"
A6 105mm x 148mm 4.1" x 5.8"
A7 74mm x 105mm 2.9" x 4.1"
A8 52mm x 74mm 2.0" x 2.9"
A9 37mm x 52mm 1.5" x 2.0"
A10 26mm x 37mm 1.0" x 1.5"

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