Paint Calculator

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When planning a paint job, it’s important that you have enough paint – and equally important that you don’t have too much. Learn how to calculate the right amount of paint with these handy tips.

It can save you the annoyance of having to dash out midway through painting, or prevent you from having litres left over and facing the hassle of finding somewhere to store it.

Step 1:
First, assess the size of the area that you’re painting. Measure the width and height of walls with a metal tape measure and multiply these together to calculate the overall square metre measurement.

Step 2:
Subtract the space used by windows and doors using the same calculation method as above, and remove these from your overall square metre measurement.

Step 3:
Multiply your new total square metre measurement by the number of coats you’ll need – we recommend factoring in at least two coats, especially for accent colours. It’s also worth including a little extra paint for touch ups.

Step 4:
Finally, divide this total value by the m2/litre number on the paint you have chosen (You can check the number on the paint can, our colour catalogues and/or online at our product information section). This will give you the total litres of paint you need for your painting project.

Step 5:
Don’t forget, the type of paint will make a difference and so will the manufacturer. A higher quality paint will mean using less paint to get a great result and painting experience.