First, assess the size of the area that you’re painting. Grab a friend to help measure the width and height of the walls with a tape measure; multiply these together to get the overall surface area.
Use the above same calculation method to measure the space used by windows and doors, and subtract the result from your overall surface area.
Multiply your new total surface area by the number of coats you need – we recommend factoring in at least two coats. It's also worth including a little extra paint for touch ups.
Finally, divide this total figure by the m²/l number on your paint tin (if you can’t see it on the tin, look for it online at the product information section). This will give you the total litres of paint you need for your project.
Don’t forget, the type of paint will make a difference and so will the manufacturer. When you use higher quality paint, you’ll notice that you'll use less paint to get a great result. Less paint equals a better environment – and a beautiful finish for you.
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