Standard Poster Size and Poster Dimensions: A Complete Guide

When crafting a poster for personal branding or business, understanding the ideal size is crucial for conveying your message effectively. Posters, a timeless medium for promotion, have evolved in formats, shapes, and sizes. In this guide, we delve into standard poster dimensions, common sizes, and traditional lengths. Whether opting for large poster printing or standard poster size dimensions, we’ll assist you in choosing the perfect canvas for your content. Elevate your poster design effortlessly with PhotoADKing’s poster maker tool, equipped with all the essential design features for a professional touch.

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Table of Content

Standard Sizes for Posters Used Across the Globe

The provided table outlines the standard dimensions of flyers, expressed in pixels, inches, millimeters, and centimeters.

A0, A1 and A2 Poster sizes and dimensions
Poster SizeSize In PixleSize in cmSize in mmSize in Inches
A09933 x 1404384.1 x 118.9 cm841 x 1189 mm33.1 x 46.8in
A17016 x 993359.4 x 84.1 cm594 x 841 mm23.4 x 33.1in
A24961 x 701642 x 59.4 cm420 x 594 mm16.5 x 23.4in
A33508 x 496029.7 x 42 cm297 x 420 mm11.7 x 16.5in
A42480 x 350821 x 29.7 cm210 x 297 mm8.3 x 11.7in
A51748 x 248014.85 x 21cm148.5 x 210 mm5.8 x 8.3

Also Read This: Flyer Size – Complete Guide for Design and Print

A3, A4 and A5 Poster size and dimensions

Specifications of Each Poster Size

Different Poster Sizes and Dimensions

A0 Poster Size

An A0 poster is an international standard paper size measuring 841 x 1189 millimeters, commonly used for large-format printing to display detailed graphics, images, and information in a visually impactful manner. Its expansive dimensions make it suitable for presentations, exhibitions, and promotional displays, offering ample space for conveying intricate details and attracting attention.

A0 Poster Size

A1 Poster Size

An A1 poster is a standard paper size measuring 23.4 x 33.1 inches or 594 x 841 millimeters. It is commonly used for large-scale presentations, displays, and promotional materials due to its spacious dimensions, providing ample space for detailed graphics and information.

A1 Poster Size

A2 Poster Size

An A2 poster measures 16.5 by 23.4 inches (42 by 59.4 centimeters), providing a moderately large canvas for displaying information, graphics, or artwork. Its versatile size makes it a popular choice for promotional materials, presentations, and visual displays.

A2 Poster Size

A3 Poster Size

An A3 poster measures 11.7 x 16.5 inches or 297 x 420 millimeters, providing a compact yet sizable canvas for conveying information or displaying visual content. Its moderate dimensions make it a popular choice for promotional materials, presentations, and decorative prints, striking a balance between readability and space efficiency.

A3 Poster Size

A4 Poster Size

An A4 poster measures 8.27 x 11.69 inches (21 x 29.7 cm), providing a compact canvas for conveying information or displaying visual content. Its standard size makes it a popular choice for promotional materials, informational displays, and event announcements.

A4 Poster Size

A5 Poster Size

An A5 poster measures 148 x 210 millimeters, making it half the size of an A4 sheet. Its compact dimensions make it ideal for promoting events, displaying information, or conveying concise messages with a portable and eye-catching design.

A5 Poster Size

Confusion Between Portrait and Landscape

The confusion between portrait and landscape posters often stems from a fundamental misunderstanding of these two orientations. A portrait poster is taller than it is wide, resembling the orientation of a traditional portrait painting. On the other hand, a landscape poster is wider than it is tall, mirroring the broad expanse of a landscape view.

The mix-up can arise due to the counterintuitive nature of terminology. People might assume that a portrait poster refers to a poster of a person or that a “landscape” poster depicts scenery. However, the terms specifically denote the orientation of the poster rather than its content.

To avoid this confusion, it’s helpful to remember that “portrait” is associated with the vertical position, like a standing portrait, and “landscape” aligns with the horizontal perspective, akin to the vastness of a landscape. When selecting or creating a poster, considering the orientation is crucial as it impacts the overall visual appeal and the effectiveness of conveying information.

Portrait and landscape posters

Standard Paper Qualities Used While Making a Poster

Posters are typically made from the following kinds of paper:

  • Matte Paper:
    • Description: Matte paper has a non-reflective surface, which reduces glare and provides a smooth finish.
    • Advantages: Suitable for detailed designs, easy to read, and less prone to fingerprints.
    • Best for: Posters with a lot of text, graphs, or detailed illustrations.
  • Glossy Paper:
    • Description: Glossy paper has a shiny surface that enhances color vibrancy and sharpness.
    • Advantages: Produces a polished and professional look, excellent for high-resolution images.
    • Best for: Posters with vibrant colors, photos, or artwork with high contrast.
  • Satin or Semi-Gloss Paper:
    • Description: Offers a compromise between matte and glossy, providing a moderate level of shine.
    • Advantages: Combines some benefits of both matte and glossy papers, less susceptible to glare.
    • Best for: Versatile option suitable for a variety of poster types.
  • Canvas Paper:
    • Description: Resembles the texture of canvas material, giving posters a unique and artistic feel.
    • Advantages: Adds a tactile element, making the poster look like a canvas painting.
    • Best for: Artistic or decorative posters, especially for exhibitions or displays.
  • Vinyl or Synthetic Paper:
    • Description: Waterproof and tear-resistant, made from synthetic materials like polypropylene.
    • Advantages: Durable and suitable for outdoor use; withstands various weather conditions.
    • Best for: Posters intended for outdoor events, promotions, or long-term displays.

Poster Design Tips for All Sizes

Creating an effective poster requires careful consideration of design elements and communication goals. Here are some tips that apply to posters of all sizes:

  • Clear Hierarchy:
    • Establish a clear visual hierarchy to guide the viewer’s attention. Use size, color, and contrast to emphasize important information.
  • Readable Fonts:
    • Choose legible fonts. Sans-serif fonts like Arial or Helvetica are often easier to read from a distance. Ensure that text is large enough to be seen from a reasonable distance.
  • Contrast:
    • Use contrasting colors to make important information stand out. High contrast helps grab attention and improve readability.
  • Simple Color Scheme:
    • Stick to a limited color palette to maintain a cohesive and visually pleasing design. Avoid using too many colors, which can be overwhelming.
  • Whitespace:
    • Don’t overcrowd the poster. Use ample whitespace to enhance readability and make the design more visually appealing.
  • Visual Elements:
    • Incorporate relevant and eye-catching visuals. This could be images, illustrations, or icons that support the theme of the poster.


In conclusion, recognizing the significance of standard poster sizes and dimensions is essential when working with poster templates. Adhering to widely accepted standards ensures that individuals and organizations can craft visually appealing and impactful posters suitable for diverse display settings, whether in classrooms, conferences, or public spaces. Selecting the appropriate size and dimensions not only enhances the visual allure of the poster but also simplifies the printing and distribution process. Keeping in mind crucial factors such as readability, visual hierarchy, and the target audience further contributes to the overall success of poster templates. Ultimately, a well-designed and properly sized poster template can adeptly convey information, capture attention, and create a lasting impression on viewers.


What are the most common poster sizes?

Standard poster sizes can vary, but some of the most common dimensions include:
24 x 36 inches: This is the typical size for movie posters and large promotional displays.
18 x 24 inches: often used for informational posters and presentations.
11 x 17 inches: commonly used for smaller promotional posters and event announcements.
27 x 40 inches: Another popular size for movie posters, often seen in theaters.

What is the significance of choosing the right poster size?

Selecting the appropriate poster size is crucial for effective communication. The size should align with the purpose and location of the poster. For instance, larger posters are suitable for outdoor advertising, while smaller ones may work better for indoor displays.

How should I determine the font size for my poster?

Font size is a critical consideration for readability. As a general rule of thumb, use a font size that allows for easy reading from a reasonable distance. Titles may require larger fonts, while body text can be smaller but still legible.

Are there specific poster sizes for academic or scientific conferences?

Academic and scientific conferences often have standard poster size requirements. The most common size is 48×36 inches, but it’s essential to check the specific guidelines provided by the conference organizers to ensure compliance.