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Drawings - Standard Metric Sizes

Standard metric drawing sheet sizes.

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The ISO A0 size is defined as having an area of one square meter. Each smaller sheet size is exactly half the area of the previous size

  • an A0 sheet cut in half gives two A1 sheets
  • an A1 sheet in half you get two A2 sheets

ISO - drawing sizes - A4, A5 ...

DesignationSize of sheetSize of frame
A0 841 1189 791 1139
A1 594 841 554 804
A2 420 594 380 554
A3 297 420 267 390
A4 210 297 180 267
A5 148 210    
A6 105 148    
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