Wall Area Calculator

Calculate gross and net paintable wall area for a room, subtracting standard door and window openings.

Calculate gross and net paintable wall area, subtracting standard door and window openings.

Length (ft)

Width (ft)

Height (ft)

Doors

18 sq ft each (32" x 80")

Windows

15 sq ft each (36" x 48")

Net Paintable Area310sq ft

Gross Wall Area352sq ft

Deductions

1 door-18 sq ft

2 windows-24 sq ft

Source: PDCA estimating guide. Adjust door/window sizes for non-standard openings.

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