Home and construction

Paint, tiles, concrete, appliance energy and other home and construction calculations.

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Estimates paint liters from wall area, coat count, and coverage (m²/l).

Calculates required flooring quantity including waste reserve.

Calculates tile count from area, tile size, and waste percentage.

Calculates concrete volume in m³ for a slab, footing, or other shape from dimensions.

Calculates room volume V = length × width × height in m³.

Calculates total wall area of a room after subtracting windows and doors.

Estimates wallpaper rolls from wall area, roll width, and pattern repeat.

Converts roof pitch between degrees, percent, and rise per meter of run.

Calculates annual running cost from power, usage hours, and electricity rate.