---
type: guide
title: "Poster Board Sizes Explained From Presentation Boards to Rigid Signs"
description: "Full US poster board size chart with standard dimensions and mounting options. Order rigid posters and foam core boards at 4OVER4."
resource: https://www.4over4.com/guide/poster-board-sizes-the-complete-guide
tags: ["guide"]
timestamp: 2026-08-08T21:25:50.722Z
---

# Poster Board Sizes Explained From Presentation Boards to Rigid Signs

Full US poster board size chart with standard dimensions and mounting options. Order rigid posters and foam core boards at 4OVER4.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/poster-board-sizes-the-complete-guide