Three laser shots — length, width, height — give the volume used for heating and air-conditioning sizing, and the wall area used for paint. Openings (doors, windows) are not subtracted.
Volume calculator
Notes
- Measure the height in the middle of the room and at a corner; ceilings often differ by a centimetre or two.
- Litres are shown because ventilation and dehumidifier capacities are often quoted per litre or per m³ of air.