Free tool
Paint Calculator
How many litres of paint for your rooms? Includes doors, windows, coats and wastage.
How it works
About this estimate
We multiply wall height by perimeter, add the ceiling if selected, subtract doors and windows, then divide by the coverage per litre. Coverage differs between brands such as Nippon Paint, Dulux and Jotun, so check the tin and treat the result as a planning figure.
Use it before you buy paint, so you order the right tin sizes the first time. Then ask for painting help if you would rather not do it yourself.
Ready to start?
Tell us what you need and we will come back with a clear next step.