How to Choose the Right Poster Board Size
When it comes to selecting the perfect poster board size, choosing the right dimensions is key to making your project stand out. Whether you’re creating an eye-catching school poster, preparing for a science fair, or designing a creative art display, the size of your board plays a crucial role. In this post, we’ll focus on the available poster board sizes you can easily access, including those that are in stock and ready for your next project.
Let’s look at the most popular poster board sizes currently in stock. Here’s why they’re ideal for various projects.
Medium Poster Sizes: Ideal for School Projects and Presentations
If you’re looking for something between small and large, medium-sized poster boards are great for school projects, presentations, and more. Here are a few sizes to meet your needs:

- 14″ x 22″– This size is perfect for a school poster or a science fair display. Not too big, not too small—just the right size for showcasing detailed information or creative artwork.
Why You’ll Love It
This is a versatile size that can handle plenty of content while remaining compact enough to easily hang or display. Perfect for presentations and creative displays that need a little more space than the smaller sizes.
- 15″ x 20″– Need a bit more space for your project without going overboard? This size is a great option for projects that need room to breathe.
Why You’ll Love It
The 15″ x 20″ size allows for a great balance between flexibility and space. It’s perfect for projects with multiple sections, artwork, or creating an eye-catching display for a school event.
Larger Poster Sizes: Perfect for High-Impact Displays
For bigger projects that need to grab attention, large poster boards are ideal. We have a variety of larger sizes in stock that will help you create impressive, high-impact displays:

- 20″ x 30″– Ideal for creating foam board displays, this size is perfect for event signage, art installations, or larger school projects that need to make a strong visual impact.
Why You’ll Love It: If you need something with more visual space that stands out, this size will give your project plenty of room to shine. Perfect for presentations where bigger details are important.
- 22″ x 28″– One of the most popular sizes, this standard poster size is perfect for large displays at school events, art shows, or graduation ceremonies.
Why You’ll Love It: This is an ideal choice for classroom projects or anything that needs to be visible from a distance. It offers plenty of space for text, visuals, and photos, making it versatile for many different types of displays.
- 28″ x 40″– If you need a larger canvas for your project, this size provides plenty of space to display detailed graphics or large-format artwork.
Why You’ll Love It: This is perfect for eye-catching event displays, exhibitions, or any project where you need a bold, larger-than-life look.
- 30″ x 40″– The 30″ x 40″ size is fantastic for big signage and event materials. It’s perfect for projects that need maximum space to make an impression.
Why You’ll Love It: With its large dimensions, you can fit a lot of content and still have room for your designs to breathe. It’s ideal for presentations or event displays where visibility is key.
Tri-Fold Boards for Structured Displays
Planning a science fair or event? Then, a tri-fold board is a great way to display information clearly and neatly. Moreover, these boards fold easily, making transport and storage simple. In addition, they provide multiple panels to separate and highlight each section of your project effectively.
- 36″ x 48″ – This size is perfect for tri-fold boards used in science fairs or any event where you need to display multiple pieces of information across three panels.
Why You’ll Love It: The 36″ x 48″ tri-fold board gives you plenty of space for your project to be structured and easily understood. You can display different sections, such as experiments, data, and pictures all in one place.
Conclusion
Choosing the right poster board size is crucial for creating the perfect project. From smaller sizes for quick assignments to larger boards for high-impact presentations, we’ve got something to fit every need. We also have tri-fold project boards and foam boards in stock. They help you create standout displays for any event.
So, whether you’re preparing for a school project, science fair, or event, the perfect poster board is waiting for you!
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