Understanding Dimensions
MapToPoster outputs images at 300 DPI (dots per inch) for high-quality printing. The--width and --height flags specify dimensions in inches, which are then rendered at this resolution.
Formula: pixels = inches × 300 DPI
All dimension values below are in inches to be used with
-W (width) and -H (height) flags.Social Media Formats
Facebook & Twitter
Desktop Wallpapers
HD and 4K Displays
Mobile Wallpapers
Phone Screens
Print Formats
Standard Paper Sizes
For print, always use the default PNG format at 300 DPI for best quality. Alternatively, use
--format pdf or --format svg for vector output that scales infinitely.Custom Print Sizes
Quick Reference Table
All common use cases in one place:Aspect Ratio Guide
Choose dimensions based on your intended display:Vector Output for Printing
For professional printing or scaling flexibility, use vector formats:Vector formats (SVG, PDF) ignore the DPI setting and can be scaled to any size without quality loss. Perfect for professional printing.
See Also
Basic Usage
Getting started with common commands
Command Reference
Complete command-line flag reference
Distance Guide
Choose the right map radius
Output Formats
PNG, SVG, and PDF format details