Definition: Common sizes of sheets of paper used in the graphic arts and printing industry outside of North America are ISO Sheet sizes. ISO (International Standards Organization) uses the metric system and sheets are measured in millimeters. The A0 sheet (841x1189mm) is one square meter and smaller sizes are A1, A2, A3, A4.
Standard ISO Parent Sheet Sizes:
- A2
- A1
- A0
A3 and A4 are common cut sizes of ISO sheet sizes. A4 is roughly equivalent in size and usage to the North American letter size sheet.
Also Known As: A sizes
