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The simplest way to explain the A sizes is two of one size will equate to 1 of the next size up so for example 2 x A4 pages side by side (portrait) will equate to 1 x A3 page and 2 x A3 pages side by side (portrait) will equate to 1 x A2 size.
The larger the size of paper the smaller the number A10 is the smallest and A0 is the largest.
Dimension breakdown for the paper sizes
A0 1189 x 841 mm 46.8 x 33.1 in
A1 841 x 594 mm 33.1 x 23.4 in
A2 594 x 420 mm 23.4 x 16.5 in
A3 420 x 297 mm 16.5 x 11.7 in
A4 297 x 210 mm 11.7 x 8.3 in
A5 210 x 148 mm 8.3 x 5.8 in
A6 148 x 105 mm 5.8 x 4.1 in
A7 105 x 74 mm 4.1 x. 2.9 in
A8 74 x 52 mm 2.9 x 2.0 in
A9 52 x 37 mm 2.0 x 1.5 in
A10 37 x 26 mm 1.5 x 1.0 in
When purchasing notice boards if the sizes are quoted in 'A' sizes then this is the visible area for the poster and the frame width will need to be added to all four sides.
If you do have any queries then please do not hesitate to contact our sales team who will be happy to answer any questions you may have.
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