Paint Coverage

Litres needed for a room (multi-coat)

Room length

Reading 4 m

Room width

Reading 3 m

Wall height

Reading 2.4 m

Doors (deduct)

Reading 1

Windows (deduct)

Reading 2

Number of coats

Reading 2

Surface

Paint type

Include ceiling?

Results

Paint needed

7.5L

SurfacePreviously painted

Net surface area40.8 m²

Total covered (×coats)81.6 m²

Coverage rate~12 m²/L

Inc. 10% waste7.5 L

Matt emulsion 5L tin

1 tin

Matt emulsion 2.5L tin

1 tin

Roller sleeve (medium pile)

2 pc

Cutting-in brush 50mm

1 pc

Dust sheet 12 ft × 9 ft

2 pc

Estimates use standard UK trade rules of thumb. Always check the bag/spec on the day.