Paint & Wallpaper Area Calculator

 Get fast, reliable coverage numbers before you buy materials. Enter a wall’s width and height, subtract doors and windows, choose Paint or Wallpaper, then calculate. You can switch units between ft² and m² after you run the calculation, so you never need to retype inputs. Results include a clear total area along with charts that show how much of the wall is paintable versus openings.

https://funifytools.com/calculators/architecture/paint-wallpaper-area

For paint, the calculator estimates product needs using common coverage rates like 350 ft² per gallon or 8.6 m² per liter. You can add coats to see how volume changes. For wallpaper, it uses standard roll coverage such as 56 ft² or 5.2 m² and adds a simple buffer for pattern matching. Save multiple scenarios to compare options side by side, copy results to your clipboard, export a polished PDF, or share a prefilled link. The built-in guide and FAQs explain measurement tips, primers, pattern repeats, and safety basics, so you can plan with confidence and avoid over-ordering.