Room Length: (metres) Room Width: (metres) Room Height: (metres) No of doors: No of Windows: square metres per litre * *One litre of paint will generally cover 15 square metres but can be different depending on the paint brand. RESULT**: Wall paint: (litres) Ceiling paint: (litres) Woodwork (litres) This calculation allows for 2 coats of paint
square metres per litre * *One litre of paint will generally cover 15 square metres but can be different depending on the paint brand. RESULT**: