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Learn about the A series paper sizes, defined by ISO 216, from A0 to A10. Find out the dimensions, tolerances and international usage of each size, as well as the oversize formats 4A0 and 2A0.
Find the size, dimensions and format of any paper size, from A0 to Z, in various international standards. A1 is 594 × 841 mm, and it is part of the A series based on the square root of two.
Learn about the A paper sizes defined by the ISO 216 standard, from A0 to A13. Find out the millimetre and inch measurements of each size, and how they are related by a square root of two ratio.
SizeMillimetersInchesA0 size841 x 1189 mm33.1 x 46.8 inA1 size594 x 841 mm23.4 x 33.1 inA2 size420 x 594 mm16.5 x 23.4 inA3 size297 x 420 mm11.7 x 16.5 inThe dimensions of A1 size is 59.4 x 84.1 cm or 594 x 841 mm or 23.4 x 33.1 inches.
A1 is a standard paper size that measures 594 x 841 mm or 23.39 x 33.11 inches. It is often used for technical drawings, flip charts and posters. Learn more about its resolution, folding and the ISO 216 range.
Learn about the A1 paper size, its area, and how it compares to other units. Find out how many pixels A1 paper size has depending on the resolution of your device.
A1 is the second largest of the A series paper sizes defined by ISO 216. It has an area of 0.5 square meters and is often used for posters, charts, and slides.
