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Paper size guides

Booklets, flyers and invitation sizes

Format Size (mm)
DL 99 x 210
A4 210 x 297
A5 148 x 210
A6 105 x 148
A7 74 x 105

Standard book sizes

Format Size (mm)
A4 210 x 297
B5 176 x 250
A5 148 x 210

Poster sizes

Format Size (mm)
A0 841 x 1189
A1 594 x 841
A2 420 x 594
A3 297 x 420

Envelope sizes

Format Size (mm) Suitable for
DL 110 x 220 DL flyers (99 x 210 mm), A5 folded once, A4 folded into thirds
C5 162 x 229 A5, A4 folded once
C4 229 x 324 A4 unfolded, A3 folded once
C3 324 x 458 A3 unfolded

Envelopes can be plain face (no window) or window face (has a clear window on the front)
For rules and regulations regarding postage please refer to Australia Post site.

Standard paper sizes

Thickness of paper and card stocks

The thickness of a sheet of paper is measured in gsm (grams per square metre). For example, 80 gsm is thickness of the paper used in most household printers and photocopiers and 280 gsm is the thickness used for paperback book covers.