Interactive poster calculator
Letter Paper Poster Calculator
Calculate a poster grid using standard US Letter paper. Enter the target size and compare portrait and landscape combinations of 8.5 × 11-inch sheets.
The result shows the closest layout and a lower-sheet alternative that can be opened in the existing PrintTiler editor.
Interactive calculator
Enter your wall size and paper. We'll suggest the best layouts you can open directly in the editor.
I will print on
Each tile equals one LETTER sheet (216×279mm).
Target wall size
Limits: up to 20 rows × 20 columns in the editor.
Recommended layouts (2 options)
Click a preview to open it in the editor.
Rows × Columns = number of printed sheets you will assemble.
Need more customization?
If you want to plan by tile count or explore more layouts, talk to ChatGPT PrintTiler AI.
Open ChatGPT PrintTiler AICommon LETTER poster calculations
One LETTER sheet measures 8.50×11.00in before printer margins or overlap are considered.
2 × 2 portrait Letter
Uses 4 sheets and measures 17 × 22 inches before margins.
3 × 3 portrait Letter
Uses 9 sheets and measures 25.5 × 33 inches before margins.
4 × 2 landscape Letter
Uses 8 sheets and measures about 22 × 34 inches before margins.
Related poster planning tools
FAQ
What size is Letter paper?
US Letter paper measures 8.5 × 11 inches.
How many Letter sheets are close to a 24 × 36 poster?
A practical option uses 8 landscape Letter sheets and finishes near 22 × 34 inches before margins.
Does the calculator change the PrintTiler editor?
No. It calculates a suggested paper grid and links to the existing editor with supported layout settings.
Do printer margins affect the final image area?
Yes. The physical sheet grid is easy to calculate, but the printable image area depends on printer margins and any overlap used for assembly.