Wall Area Calculator
Calculate wall areas for painting, wallpaper, or tiling projects
Room Dimensions
Room Shape
Room Measurements
meters
meters
meters
Openings (Doors & Windows)
meters
meters
meters
meters
Calculation Results
Total Wall Area
0 m²
All walls combined
Net Painable Area
0 m²
After deducting openings
Opening Area
0 m²
Doors and windows
Paint Required
0 liters
Based on coverage rate
Room Visualization
Room preview will appear here
Paint Estimation
Typically 8-12 m² per liter
Total Paint Needed
0 liters
Detailed Area Breakdown
0 m²
Wall 1 (Length)
0 m²
Wall 2 (Width)
0 m²
Wall 3 (Length)
0 m²
Wall 4 (Width)
Accurate Measurements
Measure twice, calculate once. Account for all openings and irregular shapes.
Paint Coverage
Add 10-15% extra paint for touch-ups and wastage during application.
Surface Preparation
Proper surface preparation can affect paint coverage by up to 20%.