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Paint calculator.
How many litres of paint and tins do you need for walls and ceilings? Enter the area and number of coats, and the calculator does the rest.
Litres = area × number of coats ÷ coverage · Tins = litres ÷ litres per tin (rounded up)
How to work out how much paint you need.
- 1
Measure the area
Walls: room perimeter × height, minus doors and windows. Ceiling: length × width.
- 2
Decide the coats
New plaster or a colour change needs 2 coats, and bright or dark colours often 3.
- 3
Check the coverage
The tin says how many m² a litre covers, usually 8 to 12 m² per coat. Rough surfaces use more.
FAQ
How many litres of paint and tins do you need for walls and ceilings? Enter the area and number of coats, and the calculator does the rest.
About 0.1 litre per m² for one coat, depending on surface and paint. For two coats allow about 0.2 l per m².
Multiply the room perimeter by the height and subtract doors and windows. You can also use the wall area calculator.
In AdBooks you enter painting per m² and the paint as items, then build and send the quote in 5 minutes.