+A0 is the largest standard [paper size](/wiki/paper_size) in the ISO 216 series, encompassing an area of exactly one square meter. This foundational dimension is often used for large technical drawings, posters, and architectural plans, serving as a basis for other sizes within the [ISO 216](/wiki/iso_216) system.
+## See also
+- [A Series](/wiki/a_series)
+- [Print](/wiki/print)
+- [Document](/wiki/document)