Paint Calculator
Frequently asked
How do I calculate paint quantity for a room?
Measure room length, width and height to get total wall area, subtract door and window areas, multiply by the number of coats, then divide by the paint coverage per litre. This calculator does that and adds wastage.
How much putty is required per square foot?
For two coats of wall putty, about 0.25 to 0.35 kg per sqft is typical. This calculator uses 0.3 kg/sqft by default and applies wastage.
What is the coverage of one litre of primer?
One litre of primer typically covers 140–160 sqft on smooth plaster. This calculator uses 150 sqft/litre by default, adjustable for your specific product.
Which related calculators pair well with the Paint Calculator?
People painting a room often also use Tile Calculator for flooring and Cement Concrete Calculator for repairs. Each is free and turns into a quotation the same way.