Poster Size Guide

Use our visual poster size guide to choose the right layout for your design.

Poster Sizes

The ideal choice of poster size and its design will depend on two key factors: the space available for display, and the distance from which it will be viewed. The human eye's horizontal and vertical fields of vision (135 degrees and 180 degrees respectively) result in an optimum viewing range for images of varying sizes.

Here's our 'rule-of-thumb' guide for the ideal viewing range for standard sizes when printing posters:


Size: 297 x 420 mm

Best viewed at 0.77 to 1.03 metres.

Popular applications for A3 posters include:

  • Indoor advertising
  • Gig and other event advertisements
  • Information for guests and customers


Size: 420 x 594 mm

Best viewed from 1.09 to 1.45 metres.

Popular applications for A2 posters include:

  • Event advertisements
  • Outdoor advertising
  • Drawings and diagrams



Size: 594 x 841 mm

Best viewed from 1.54 to 2.06 metres.

Popular applications for A1 posters include:

  • Outdoor advertising
  • Technical drawings
  • Menu boards
  • Product promotion



Size: 841 x 1189 mm 

Best viewed from 2.18 to 2.91 metres.

Popular applications for A0 posters include:

  • Advertising for high-traffic areas
  • Movie posters
  • Conference presentations
  • Menu boards

Poster Size Chart

When it comes to poster sizes, your vision doesn’t have to be condensed into the standard sizes. But if you’d like to get a clearer idea of what sizes are available, use our poster size chart to compare the most popular poster sizes.

Factors To Consider When Choosing the Size & Shape of Your Posters

Available Space

To ensure that your poster looks as stunning in physical form as it does in digital, carefully consider the optimum use of available space. Make the most out of your poster dimensions by only including essential information that is displayed at the viewer’s eye level.

Don’t shy away from using white space either, as this stylistic choice can ‘create’ additional space. Cluttered posters with grey blocks of text or incongruous images will tend to look smaller than they actually are. Incorporating complimenting poster colours and graphics can help bring the design together by maximising the viewer’s perception of the poster’s design.

Where the Posters Will Be Displayed

The location of your posters will determine its size, shape and design. A small A3 poster is a practical option to display in shop windows, while a bold A0 poster plastered on the side of a building is brilliant at capturing the attention of pedestrians. Posters that are too big for their design or vice versa will be less impactful and struggle to catch the eye of potential customers.

Before deciding on the paper size or design of your poster, confirm where it will be displayed and then measure the average distance between the poster’s future placement and its viewer.

Design & Readability

The success of your poster ultimately winds down to its design. While the sky's the limit when it comes to designing dynamic posters, there are a few layout rules that should always be followed to optimise its readability. Important information on your poster should be readable at a distance of 10 feet. To avoid overwhelming the reader with dry blocks of text, aim to limit the word count of your poster to around 300 - 500 words. Bullet points are a tactical solution for presenting your information in a digestible format.

For more design inspiration for various poster sizes, explore our list of great poster examples.

Need help with designing or printing posters, or a poster of a custom size?

Snap are the poster and banner specialists. The team at your local Snap Centre will know exactly what size is perfect for your particular business purpose. Our graphic designers can help you communicate your key messages with impact, while our print specialists will ensure you are delivered a professional finished product.

Wow the crowd with an eye-catching poster designed and printed with the experts at Snap.

Prefer to buy online?
With Snap Print-Online, you can work
with SNAP 24/7.

Design online:
  • Upload your pre-prepared artwork.
  • OR you can request to use Snap's graphic design services.

Buy Print online:
  • First, select your preferred brochure size.
  • Then choose from the available print options.

Delivery or Click-and-Collect:
  • At the check-out, you can choose to have your order delivered to you, or you can click-and-collect from your local Snap Centre
Manage Online:
  • After registering with Snap Print Solutions, you'll be able to manage all your artwork and print orders online.

Of course, you'll still enjoy the support, expertise, convenience and speed of service provided by your local Snap Centre.

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