what size is a5

A5 is a standard paper size that measures 148 x 210 millimeters or 5.83 x 8.27 inches. It is part of the A series of paper sizes, which is defined by the ISO 216 international paper size standard. A5 paper is commonly used for documents, brochures, flyers, and other printed materials. By folding an A5 paper type in two along the shortest side, you can create an A6 document, and placing two A5 pages next to each other creates an A4 paper size.