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A0

A0

4.8
A very large paper size measuring 841 by 1189 millimetres
  • noun
  • UK
: A0

Examples

  • A4 is half of an A3, or one quarter of an A2, but more importantly, it's one sixteenth of an A0.

    Blog text (11)
  • An A0 poster displays vibrant colors and vivid images that catch everyone's attention.

  • For my art project, I need a sheet of A0 paper to draw a large mural.

  • The architect presented her designs on A0 paper, allowing everyone to see the details clearly.

How Big

A0
  • UK
4.8
A1
  • UK
3 4.2
A2
  • UK
1 4.4
A4
  • UK
2 2.3
A5
  • UK
1 3.6
A6
  • UK
1 4.9

Surface Forms

A0 singular
A0s plural

Etymology

A0 comes from an international paper system where A is the family of sizes and 0 marks the base sheet that was made to be 'one square metre' in area. Because each next size halves the area, A0 is the very large sheet used for posters and blueprints.