How to use
- Fill in: Wall area (m²), Paint coats, Paint coverage (m² per litre), Primer coverage (m² per litre) and Pack size (litres). Fields with defaults or marked optional can stay as shown.
- Tap Calculate Paint.
- Read the result - you can print or save it as PDF.
Worked example
With Wall area = 100, Paint coats = 2, Paint coverage = 10, Primer coverage = 11, Pack size = 4:
PAINT REQUIRED20 litres
Coverage varies by brand and surface - check the product datasheet. Primer coverage is usually a little higher than topcoat; edit it to your product. Add ~10% for touch-ups.
