'A'
sizes explained
'A' sizes are a proportioned paper sizing system where the next
size down is exactly half of the current size.
The format is an oblong
- A7 = 74mm x 105mm
(approx 3" x 4") - A6 = #99537100 - 148mm x 105mm
(approx 5.75" x 4") - A5 = #99537200 - 148mm x 210mm
(approx 5.75" x 8") - A4 = #99537300 - 210mm x 297mm
(approx 8" x 11.5") - A3 = #99538150 - 420mm x 297mm
(approx 16" x 11.5") - A2 = #99538225 - 420mm x 594mm
(approx 16" x 23") - A1 = #99538325 - 840mm x 594mm
(approx 32" x 23")