Standard Poster Sizes: From Letter Size to Billboard

Standard poster sizes can vary depending on the purpose and location where they will be displayed. Here are some common poster sizes from small to large:

1. Letter Size Poster: 8.5 x 11 inches (21.6 x 27.9 cm)
2. Tabloid Size Poster: 11 x 17 inches (27.9 x 43.2 cm)
3. A4 Poster: 8.27 x 11.69 inches (21 x 29.7 cm)
4. A3 Poster: 11.69 x 16.54 inches (29.7 x 42 cm)
5. A2 Poster: 16.54 x 23.39 inches (42 x 59.4 cm)
6. A1 Poster: 23.39 x 33.11 inches (59.4 x 84.1 cm)
7. A0 Poster: 33.11 x 46.81 inches (84.1 x 118.9 cm)
8. Small Movie Poster: 18 x 24 inches (45.7 x 61 cm)
9. Standard Movie Poster: 27 x 40 inches (68.6 x 101.6 cm)
10. Bus Stop Poster: 47.244 x 68.898 inches (120 x 175 cm)
11. Billboard Poster: 118.11 x 175.197 inches (300 x 445 cm)

Keep in mind that specific sizes can vary by country and print shop, so it’s always a good idea to check with your printer for their exact sizing specifications. Additionally, the choice of poster size should align with your intended use, visibility, and available space.