A simple, free, comprehensive resource for finding the international standards for paper sizes in metric and imperial. Learn about the A6 paper size, which measures 105 x 148 mm or 4.1 x 5.8 inches, and its aspect ratio, area, perimeter and diagonal. Find out how A6 compares to other A series paper sizes and see examples and FAQs. Complete details about A6 paper size: 105×148mm dimensions, applications, and technical specifications. Perfect for Postcards, Small notebooks, Flyers and professional printing. A6 is the sixth size in the A series paper sizes defined by the ISO 216 standard. It measures 105 x 148 mm or 4.1 x 5.8 in and has a dimension ratio of 1 to √2.
