How Much Paint for an Open-Plan Room (6m x 8m)?
Calculate the litres of paint needed for a large open-plan space measuring 6m x 8m with 2 coats.
How to use this tool
- Enter room width, room length, wall height, number of coats and paint coverage in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your paint needed and the full breakdown beneath it.
Large open-plan rooms require plenty of paint — calculate exactly how many litres you need for a 6m x 8m space.
Frequently asked questions
- How much paint do I need for a room?
- Calculate the perimeter × wall height = wall area in m², multiply by the number of coats, then divide by the paint coverage (typically 10 m²/L).