UK Paper Sizes Guide: A Comprehensive Resource for Graphic Designers and Artwork Creators

Understanding paper sizes and the distinction between European vs American paper sizes is essential in avoiding common pitfalls to make sure that your artwork is consistent with printing standards in the UK.

There are two paper size systems commonly used in the UK and Europe. The main system that you need to be aware of is the A series – which conforms to ISO 216 paper standards, and the image below illustrates the different sizes of paper within the series.

A series paper dimensions:

Common applications for the A series paper sizes are as follows:

A4: The most common standard size used for documents, letters and general printing.

A3: Double the size of A4 paper dimensions, A3 is ideal for posters, architectural plans, presentations, notice boards and artistic prints.

A5: Half the size of A4 paper dimensions, A5 is perfect for booklets, flyers, invitations and notepads.

A6: Commonly used for postcards and greetings cards.

A0, A1 and A2: The most common standard sizes used in large format printing and ideal for posters, display boards and signage.

The paper size conversion chart below shows the various paper sizes within the A series in units such as millimetres, centimetres and inches.