Wall Area & Paint Calculator
Calculate wall area instantly and determine exactly how much paint you need. Enter wall dimensions, subtract doors and windows, and get accurate paint estimates with multiple coats.
Start Calculating
Calculate wall area instantly and determine exactly how much paint you need. Enter wall dimensions, subtract doors and windows, and get accurate paint estimates with multiple coats.
Start Calculating
Our wall area calculator helps you save money and time by accurately calculating paint requirements for any room size.
Get precise wall area measurements with support for multiple walls, doors, and windows.
Calculate exact paint requirements including number of coats and can sizes needed.
Estimate total project cost by entering paint prices and getting instant calculations.
Switch between metric (cm) and imperial (inches) units with automatic conversion.
Use our calculator on any device - phone, tablet, or desktop computer.
No signup required, no hidden costs. Our calculator is completely free to use.
Enter the height and width of each wall in your preferred unit (cm or inches).
Add doors and windows to subtract their area from the total wall area.
See instant results for wall area and calculate how much paint you'll need.