Paper sizes include A0, A1, A2, A3, A4, A5, and letter size. The size of paper you choose depends on the purpose of your document and the amount of content you need to include.
A series
A0: The largest size in the A series, measuring 841 x 1189 mm. It has an area of 1 square meter.
A1: A very large print size, equivalent to 8 x A4 sheets. It measures 594 x 841 mm.
A2: Comparable to a large monitor. It measures 420 x 594 mm.
A3: Measures 297 x 420 mm.
A4: The most common size, measuring 210 x 297 mm.
A5: A compact size that's often used for books, diaries, notebooks, and greeting cards. It measures 148 x 210 mm.
