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Wall Area Calculator
Calculate total wall area from room length, width, and wall height, with optional door and window deductions.
Enter your dimensions
Current unit: feet. The calculation runs entirely in your browser.
Enter the room length.
Enter the room width.
Enter the wall height from floor to ceiling.
Optional. Enter total door area to subtract.
Optional. Enter total window area to subtract.
How this estimate works
Enter your project dimensions, choose the unit system that matches your measurement, and calculate the estimate directly in your browser.