Although some of this information is more relevant for the professional draftsperson, it's also important for you to know about and apply in your building drawings.

The following information is taken from Table 4.1 in AS 1100.101.

Australian standards italic in (h)

Character use Character height (h), mm
Sheet size
A0, B1 A1, A2, A3, A4,
B2, B3 & B4
Titles and drawing numbers75
Subtitles, headings, view and section designations53.5
General notes, material lists, dimensions3.52.5

Reproduced under copyright licence from SAI Global.