Wall Area
Calculates total wall area of a room after subtracting windows and doors.
Wall area
42,8 m²
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Formula
area = perimeter × height − openings
Example: perimeter 18 m, height 2.6 m, openings 4 m² → 42.8 m²
Methodology
Wall area = perimeter × height minus windows and doors.
Example
Perimeter 14 m, height 2.7 m, windows 3 m² → walls about 34.8 m².