how much paint is enough? total surface area need to calculate how much paint you will require to cover handy calculation will save you money and prevent wastage spread rate of paint you will need to know the following remember to exclude any areas that don't require paint like windows or doors product has a specific spread rate which tells you how much paint to use per square metre and textured surfaces will require more paint calculate the amount required as per the formula above number of coats total litres required let the colour in colour booklet now and be inspired page 3 of 31
