Paint Reference

Paint for a 3 by 3 m Room

How much paint you need for a 3 by 3 metre room at two coats, in litres.

Paint for a 3x3 m room

2.4 m ceiling, two coats. Round up to whole tins.

Litres
6.8L
Wall area
28.8
litres = 2 × (3 + 3) × 2.4 × 2 ÷ 9 = 6.8 L

That is about 315 sq ft of wall, roughly 1.8 gallons for two coats.

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About this estimate

Wall area is the perimeter times the ceiling height, about 28.8 square metres at 2.4 m. One litre covers 8 to 10 square metres per coat.

Painting a room? A roller and tray kit covers most interior work.

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Common questions

How much paint for a 3 by 3 m room?

A 3 by 3 metre room with 2.4 m walls has about 28.8 square metres of wall. At two coats that is roughly 6.8 litres.

How much does a litre of paint cover?

About 8 to 10 square metres per coat for typical interior paint. Rough or porous surfaces reduce that.
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