What are the most common sizes for brochures?

Common paper sizes for brochures:

A4:
Perhaps the most popular of all paper sizes when it comes to creating a brochure is A4. A4 is the most used paper size in the world and a format and size that consumers are familiar with. The dimensions of an A4 page are 297mm high x 210mm wide (11.69 inches x 8.27 inches).

A5:
If A4 is the most popular size of brochure then A5 is a popular runner up. An A5 brochure is A4 pages folded and is a much more compact brochure that allows you to priorities your information to provide the most important details to your customers. It does however provide you with enough space to get creative, especially if you are using it as a brochure to showcase products or images. An A5 page has dimensions of 210mm high x 148mm wide (8.27 inches x 5.83 inches).

A3:
Another popular brochure size which can be on the larger size but none the less offers great visual impact is an A3 brochure. A3 brochures are folded A2 pages and are often used for brochures with fewer pages due to the added cost of printing larger pages. They do however provide you with additional space to get creative and can be a great way to showcase a series of products. The dimensions for A3 pages are 297mm high x 420mm wide (11.69 inches x 16.54 inches).