What are the Most Commonly Used Poster Sizes?
‘A’ SERIES OF SIZING
Most poster sizes commonly used are from the A series paper sizes, defined by the ISO 216 standard.
The poster sizes are A4, A3, A2, A1 and A0. Since we are referring to poster sizes, we begin from A4 size, but in the A series, there are smaller sizes available. A5 and A6 (which is the normal size for postcards).
A4 is the size of our normal office printing paper, measuring 21cm width x 29.7cm height.
You will find that each subsequent size is twice the size of the previous size.
For example, A3 is twice the size of A4, A2 is twice the size of A3, and so on.
COMMON POSTER SIZES
A4 = 21cm x 29.7cm
A3 = 29.7cm x 42cm
A2 = 42cm x 59.4cm
A1 = 59.4cm x 84cm
A0 = 84cm x 118.8cm
‘B’ SERIES OF SIZING
There is also the B series paper sizes,
It’s not as commonly used as the A series, but you find the poster sizes being used for IKEA poster frames and more.
B4 = 25cm x 35.3cm
B3 = 35.3cm x 50cm
B2 = 50cm x 70.7cm
B1 = 70.7cm x 100cm
B0 = 100cm x 141cm
These are the most common sizes of posters that designers and design clients will usually stick to, but frankly, there is no restriction or limitation to the size or shape of the poster which you can create.
You might also find this useful: How Do I Prepare a Poster for Printing?
We have had experience printing many different custom sizes and shapes. For posters with a custom shape, diecut to an irregular shape, we can do them too.
POSTERS AS LIFESIZE STANDEES
Posters can also be made to lifesize standees, which can be propped up with an aluminium easel attached to its back. This is also commonly used, and we have made a few for customers. Most memorable are the ones made for wedding reception, where the wedding couple are printed out as a poster made into a lifesize standee.
For more information on printing posters, please refer to our Poster Printing and Frames page
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