Base Size
inch
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cm
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Units:
Important Note:

For practical measuring and cutting purposes:

  • Imperial measurements are shown in ⅛ inch fractions
  • Metric measurements are rounded to the nearest millimeter

More precise decimal values can be found in the calculator view.

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ISO 216 A-Series

International standard paper sizes

A1

594 x 841mm
233/8 x 331/8 inches

A2

420 x 594mm
161/2 x 233/8 inches

A3

297 x 420mm
113/4 x 161/2 inches

A4

210 x 297mm
81/4 x 113/4 inches

A5

148 x 210mm
57/8 x 81/4 inches

A6

105 x 148mm
41/8 x 57/8 inches

A7

74 x 105mm
27/8 x 41/8 inches

A8

52 x 74mm
~2 x 27/8 inches

A9

37 x 52mm
11/2 x ~2 inches

A10

26 x 37mm
~1 x 11/2 inches