All you need to know about A0 to A10 paper sizes

The A10 paper size, measuring approximately 1.02 x 1.46 inches (26 x 37 mm), is the smallest size in the A series paper sizes defined by the ISO 216 standard.

The A9 paper size, being larger than the A10 paper size but still relatively small, has various potential uses.

The A8 paper size, which measures approximately 2.05 x 2.91 inches (52 x 74 mm), is one of the smallest sizes in the A series paper sizes defined by the ISO 216 standard.

The A7 paper size (2.91 x 4.13 inches or 74 x 105 mm) has versatile uses, such as miniature invitations, thank you cards, mini art prints, reminder cards, and miniature sketchbooks. 

The A6 paper size, measuring approximately 4.13 x 5.83 inches (105 x 148 mm), has a variety of uses due to its compact yet practical dimensions.

The A5 paper size, measuring approximately 5.83 x 8.27 inches (148 x 210 mm), is a popular choice for various purposes due to its compact yet practical dimensions.

The A series paper size, particularly the widely used A4 size, has a variety of uses in different industries and for various purposes.

The A3 paper size, measuring approximately 11.69 x 16.54 inches (297 x 420 mm), has a variety of uses due to its larger dimensions.

The A2 paper size, measuring approximately 16.54 x 23.39 inches (420 x 594 mm), is larger than A3 and has various potential uses.

The A1 paper size, measuring approximately 23.39 x 33.11 inches (594 x 841 mm), is even larger than the A2 size and can be used for various purposes.